Abbey,James R. (1998). Hospitality sales and advertising (3rd ed.). Michigan: American Hotel & Motel Association Educational Institute.
Chicago-стиль цитированияAbbey,James R. Hospitality Sales and Advertising. 3rd ed. Michigan: American Hotel & Motel Association Educational Institute, 1998.
MLA-цитированиеAbbey,James R. Hospitality Sales and Advertising. 3rd ed. Michigan: American Hotel & Motel Association Educational Institute, 1998.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.