Inkpen, G. (1998). Information technology for travel and tourism (2nd ed.). Addison Wesley Longman.
Chicago Style (17. basım) AtıfInkpen, Gary. Information Technology for Travel and Tourism. 2nd ed. New York: Addison Wesley Longman, 1998.
MLA (9th ed.) AtıfInkpen, Gary. Information Technology for Travel and Tourism. 2nd ed. Addison Wesley Longman, 1998.
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