APA
Dittmer P. R., . (1989). Principles of food, beverage, and labor cost controls for hotels and restaurants. Van NostrandnReinhold, New York: .
Chicago
Dittmer Paul R, . 1989. Principles of food, beverage, and labor cost controls for hotels and restaurants. Van NostrandnReinhold, New York: .
Harvard
Dittmer P. R., . (1989). Principles of food, beverage, and labor cost controls for hotels and restaurants. Van NostrandnReinhold, New York: .
MLA
Dittmer Paul R, . Principles of food, beverage, and labor cost controls for hotels and restaurants. Van NostrandnReinhold, New York: . 1989.