Gaya APA

Ninemeier, J, D., Daschler, J, P. (1984). Supervision in the hospitality industry . Michigan: Educational Institute of the American Hotel & Motel Ass..

Gaya MLA

Ninemeier, Jack, D.., Daschler, John, P.. "Supervision in the hospitality industry". Michigan: Educational Institute of the American Hotel & Motel Ass., 1984. BUKU.