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== Referencias ==
{{reflistlistaref|refs=
<ref name="Lennon2003-106">{{citecita booklibro |authorautor=John Lennon |titletítulo=Tourism statistics: international perspectives and current issues |url=http://books.google.com/books?id=eSy9yDy6KBAC&pg=PA106 |accessdatefechaacceso=1 Mayde mayo de 2013 |yearaño=2003 |publishereditorial=Cengage Learning EMEA |isbn=978-0-8264-6501-6 |pagepágina=106}}</ref>
<ref name="Lennon2003-107">{{citecita booklibro |authorautor=John Lennon |titletítulo=Tourism statistics: international perspectives and current issues |url=http://books.google.com/books?id=eSy9yDy6KBAC&pg=PA107 |accessdatefechaacceso=1 Mayde mayo de 2013 |yearaño=2003 |publishereditorial=Cengage Learning EMEA |isbn=978-0-8264-6501-6 |pagepágina=107}}</ref>
<ref name="Lennon2003-118">{{citecita booklibro |authorautor=John Lennon |titletítulo=Tourism statistics: international perspectives and current issues |url=http://books.google.com/books?id=eSy9yDy6KBAC&pg=PA118 |accessdatefechaacceso=1 Mayde mayo de 2013 |yearaño=2003 |publishereditorial=Cengage Learning EMEA |isbn=978-0-8264-6501-6 |pagepágina=118}}</ref>
<ref name="Robinson2012">{{citecita booklibro |authorautor=Brian Garrod |chaptercapítulo=Business tourism |editor=Peter Robinson |titletítulo=Tourism: The Key Concepts |url=http://books.google.com/books?id=5u5CKtoe09wC&pg=PA21 |accessdatefechaacceso=1 Mayde mayo de 2013 |datefecha=12 Octoberde octubre de 2012 |publishereditorial=Routledge |isbn=978-0-415-67792-9 |pagespáginas=18-22}}</ref>
<ref name="RobinsonHeitmann2011">{{citecita booklibro |author1=Peter Robinson |author2=Sine Heitmann |author3=Peter U. C. Dieke |titletítulo=Research Themes for Tourism |url=http://books.google.com/books?id=219aFMSRPqgC&pg=PA132 |accessdatefechaacceso=1 Mayde mayo de 2013 |yearaño=2011 |publishereditorial=CABI |isbn=978-1-84593-698-3 |pagepágina=132}}</ref>
<ref name="Sharma2004-253">{{citecita booklibro |authorautor=Kishan Kumar Sharma |titletítulo=World Tourism Today |url=http://books.google.com/books?id=0LF_uzLZOOoC&pg=PA253 |accessdatefechaacceso=1 Mayde mayo de 2013 |datefecha=1 Januaryde enero de 2004 |publishereditorial=Sarup & Sons |isbn=978-81-7625-512-7 |pagepágina=253}}</ref>
<ref name="Sharma2004-254">{{citecita booklibro |authorautor=Kishan Kumar Sharma |titletítulo=World Tourism Today |url=http://books.google.com/books?id=0LF_uzLZOOoC&pg=PA254 |accessdatefechaacceso=1 Mayde mayo de 2013 |datefecha=1 Januaryde enero de 2004 |publishereditorial=Sarup & Sons |isbn=978-81-7625-512-7 |pagepágina=254}}</ref>
<ref name="Sharma2004-255">{{citecita booklibro |authorautor=Kishan Kumar Sharma |titletítulo=World Tourism Today |url=http://books.google.com/books?id=0LF_uzLZOOoC&pg=PA255 |accessdatefechaacceso=1 Mayde mayo de 2013 |datefecha=1 Januaryde enero de 2004 |publishereditorial=Sarup & Sons |isbn=978-81-7625-512-7 |pagepágina=255}}</ref>
<ref name="Sharma2004-256">{{citecita booklibro |authorautor=Kishan Kumar Sharma |titletítulo=World Tourism Today |url=http://books.google.com/books?id=0LF_uzLZOOoC&pg=PA256 |accessdatefechaacceso=1 Mayde mayo de 2013 |datefecha=1 Januaryde enero de 2004 |publishereditorial=Sarup & Sons |isbn=978-81-7625-512-7 |pagepágina=256}}</ref>
<ref name="WeberChon2002-20">{{citecita booklibro |author1=karin Weber |author2=K. S. Chon |titletítulo=Convention Tourism: International Research and Industry Perspectives |url=http://books.google.com/books?id=9XDfBja2zJ0C&pg=PR20 |accessdatefechaacceso=1 Mayde mayo de 2013 |yearaño=2002 |publishereditorial=Psychology Press |isbn=978-0-7890-1284-5 |pagepágina=20}}</ref>
<ref name="unwto1034">{{citecita web |yearaño=1995 |url=http://pub.unwto.org/WebRoot/Store/Shops/Infoshop/Products/1034/1034-1.pdf |titletítulo=UNWTO technical manual: Collection of Tourism Expenditure Statistics |page=10 |publishereditorial=World Tourism Organization |accessdatefechaacceso=26 Marchde marzo de 2009}}</ref>
}}
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