Hall,C.M, Timothy,Darren J, & Duval,David Timothy. (2009). Safety and Security in Tourism: Relationship, Management and Marketing. Jaico Publishing House.
Chicago-tyylinen lähdeviittausHall,C.M, Timothy,Darren J, ja Duval,David Timothy. Safety and Security in Tourism: Relationship, Management and Marketing. Ahmedabad: Jaico Publishing House, 2009.
MLA-viiteHall,C.M, et al. Safety and Security in Tourism: Relationship, Management and Marketing. Jaico Publishing House, 2009.
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