Buhalis, D., & Costa, C. (2015). Tourism business frontiers: Consumers, products and industry. Elsevier Butterworth-Heinemann.
शिकागो स्टाइल उद्धरणBuhalis, Dimitrios, और Carlos Costa. Tourism Business Frontiers: Consumers, Products and Industry. Elsevier Butterworth-Heinemann, 2015.
एमएलए उद्धरणBuhalis, Dimitrios, और Carlos Costa. Tourism Business Frontiers: Consumers, Products and Industry. Elsevier Butterworth-Heinemann, 2015.
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