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.
  .