Gaya APA

Powers, T, F., Barrows, C, W, . (1999). Introduction to management in the hospitality industry (6th edition). New York: John Wiley & Sons, Inc..

Gaya MLA

Powers, Thomas, F.., Barrows, Clayton, W., . "Introduction to management in the hospitality industry". 6th edition New York: John Wiley & Sons, Inc., 1999. BUKU.