Gaya APA

Dittmer, P, R., Griffin, G, G. (1984). Principles Of Food Beverage And Labor Cost Control : for Hotel And Restaurants (Ed. 4). America: Van Nostrand Reinhold Company.

Gaya MLA

Dittmer, Paul, R.., Griffin, Gerald, G.. "Principles Of Food Beverage And Labor Cost Control : for Hotel And Restaurants". Ed. 4 America: Van Nostrand Reinhold Company, 1984. Text.