Libosada, C. M., & Bosangit, C. A. (2007). Introduction to tourism: A comprehensive guide to the travel and tourism industry. Anvil.
Chicago Style (17. basım) AtıfLibosada, Carlos M., ve Carmela A. Bosangit. Introduction to Tourism: A Comprehensive Guide to the Travel and Tourism Industry. Pasig City: Anvil, 2007.
MLA (9th ed.) AtıfLibosada, Carlos M., ve Carmela A. Bosangit. Introduction to Tourism: A Comprehensive Guide to the Travel and Tourism Industry. Anvil, 2007.
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