Gaya APA

Barrows, C, W, ., Powers, T. (2009). Introduction to management in the hospitality industry (9th ed.). New Jersey: John Wiley & Sons.,.

Gaya MLA

Barrows, Clayton, W., ., Powers, Tom. "Introduction to management in the hospitality industry". 9th ed. New Jersey: John Wiley & Sons.,, 2009. BUKU.