Hall, C. M., Timothy, D. J., & Duval, D. T. (2003). Safety and security in tourism: Relationships, management, and marketing. New York: Routledge.

Hall, Colin Michael, Dallen J. Timothy, and David Timothy Duval. Safety and Security in Tourism: Relationships, Management, and Marketing. New York: Routledge, 2003.

Hall, Colin Michael, Dallen J. Timothy, and David Timothy Duval. Safety and Security in Tourism: Relationships, Management, and Marketing. New York: Routledge, 2003.