Cook, R. A., Yale,Laura J, & Marqua,Joseph J. (2006). Tourism: The business of travel (3rd ed.). Pearson.
शिकागो स्टाइल उद्धरणCook, Roy A., Yale,Laura J, और Marqua,Joseph J. Tourism: The Business of Travel. 3rd ed. New Delhi: Pearson, 2006.
एमएलए उद्धरणCook, Roy A., et al. Tourism: The Business of Travel. 3rd ed. Pearson, 2006.
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