Gaya APA

Ninemeier, J, P, D, J, D. (1994). Supervision in the Hospitality Industry (-). Michigan: Amer Hotel & Motel Assn.

Gaya MLA

Ninemeier, John, P., Daschler;, Jack, D.. "Supervision in the Hospitality Industry". - Michigan: Amer Hotel & Motel Assn, 1994. Buku.