Gaya APA
Ninemeier, J, D. (1984).
Principles Of Food And Beverage Operations (Cetakan I).
United States Of America:
The Educational Institute Of The American Hotel & Motel Association.
Gaya MLA
Ninemeier, Jack, D..
"Principles Of Food And Beverage Operations".
Cetakan I
United States Of America:
The Educational Institute Of The American Hotel & Motel Association,
1984.
.