Gaya APA

Wheelhouse, D, R., Institute, A, H, &, M, A, E. (1989). Managing human resources in the hospitality industry . Michigan: Educational Institute of AHMA.

Gaya MLA

Wheelhouse, David, R.., Institute, American, Hotel, &, Motel, Association., Educational. "Managing human resources in the hospitality industry". Michigan: Educational Institute of AHMA, 1989. BUKU.