Hall, C. M. (2009). Safety and security in tourism: Relationships,management and marketing. Jaico publishing house.
Trích dẫn kiểu ChicagoHall, C. Michael. Safety and Security in Tourism: Relationships,management and Marketing. Ahamedabad: Jaico publishing house, 2009.
Trích dẫn MLAHall, C. Michael. Safety and Security in Tourism: Relationships,management and Marketing. Jaico publishing house, 2009.
Cảnh báo: Các trích dẫn này có thể không phải lúc nào cũng chính xác 100%.