Gaya APA
Rey, A, M., Wieland, F. (1985).
Managing Service In Food And Beverage Operations (Cetakan I).
United States Of America:
The Educational Institute Of The American Hotel & Motel Association.
Gaya MLA
Rey, Anthony, M.., Wieland, Ferdinand.
"Managing Service In Food And Beverage Operations".
Cetakan I
United States Of America:
The Educational Institute Of The American Hotel & Motel Association,
1985.
.