Gaya APA
      Hart, C, W., Troy, D, A. (1986).
    Strategic Hotel / Motel Marketing (Cetakan II).
    United States Of America:
  The Educational Institute Of The American Hotel & Motel Association.
  
Gaya MLA
      Hart, Christopher, W.L.., Troy, David, A..
    "Strategic Hotel / Motel Marketing".
    Cetakan II
    United States Of America:
  The Educational Institute Of The American Hotel & Motel Association,
  1986.
  .