Gaya APA

Cook, R, A. et al (2017). TOURISM : THE BUSINESS OF HOSPITALITY AND TRAVEL, GLOBAL EDITION (6th) . London: Pearson Education.

Gaya MLA

Cook, Roy, A.. et al. "TOURISM : THE BUSINESS OF HOSPITALITY AND TRAVEL, GLOBAL EDITION (6th)". London: Pearson Education, 2017. Text.