Dyfyniad APA

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

Dyfyniad Arddull Chicago

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

Dyfyniad MLA

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

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.