Gaya APA
      Daschler, J, P., Ninemeier, J, D. (1984).
    Supervision In The Hospitality Industry (Cetakan I).
    United States Of America:
  The Educational Institute Of The American Hotel & Motel Association.
  
Gaya MLA
      Daschler, John, P.., Ninemeier, Jack, D..
    "Supervision In The Hospitality Industry".
    Cetakan I
    United States Of America:
  The Educational Institute Of The American Hotel & Motel Association,
  1984.
  .