Gaya APA

Program, P, M, D. (2003). Supervision in the hospitality industry : student workbook (4th ed.). New Jersey: John Wiley & Sons, Inc..

Gaya MLA

Program, Professional, Management, Development. "Supervision in the hospitality industry : student workbook". 4th ed. New Jersey: John Wiley & Sons, Inc., 2003. BUKU.