Hall, C. M., Dallen J. Timothy, & David Timothy Duval. (2009). Safety and security in tourism: Relationships, management and marketing. Jaico publishing house.
शिकागो स्टाइल उद्धरणHall, C. Michael, Dallen J. Timothy, और David Timothy Duval. Safety and Security in Tourism: Relationships, Management and Marketing. Delhi: Jaico publishing house, 2009.
एमएलए उद्धरणHall, C. Michael, et al. Safety and Security in Tourism: Relationships, Management and Marketing. Jaico publishing house, 2009.
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