Gaya APA

Program, P, M, D. (1998). Supervision in the hospitality industri : student workbook (3rd.ed). New York: John Wiley & Sons, Inc..

Gaya MLA

Program, Professional, Management, Development. "Supervision in the hospitality industri : student workbook". 3rd.ed New York: John Wiley & Sons, Inc., 1998. BUKU.