APA
Kotas R. &. D. B., . (1981). Food and beverage control. International Textbook Company, Scotland: .
Chicago
Kotas Richard & Davis Bernard, . 1981. Food and beverage control. International Textbook Company, Scotland: .
Harvard
Kotas R. &. D. B., . (1981). Food and beverage control. International Textbook Company, Scotland: .
MLA
Kotas Richard & Davis Bernard, . Food and beverage control. International Textbook Company, Scotland: . 1981.