Gaya APA

Forrest, L, C., Institute, A, H, &, M, A, E. (1989). Training for the hospitality industry : by Lewis C. Forrest (2nd ed.). Michigan: Educational Institute of AHMA.

Gaya MLA

Forrest, Lewis, C.., Institute, American, Hotel, &, Motel, Association., Educational. "Training for the hospitality industry : by Lewis C. Forrest". 2nd ed. Michigan: Educational Institute of AHMA, 1989. BUKU.