APA (7e ed.) Bronvermelding

Dittmer, P. R. (1984). Principles of food, beverage, and labor cost controls for hotels and restaurants (3rd ed.). Van Nostrand Reinhold.

Chicago (17e ed.) Bronvermelding

Dittmer, Paul R. Principles of Food, Beverage, and Labor Cost Controls for Hotels and Restaurants. 3rd ed. New York: Van Nostrand Reinhold, 1984.

MLA (9e ed.) Bronvermelding

Dittmer, Paul R. Principles of Food, Beverage, and Labor Cost Controls for Hotels and Restaurants. 3rd ed. Van Nostrand Reinhold, 1984.