Gaya APA

Ritchie, J, B, (., Goeldner, C, R. (1994). Travel, tourism, and hospitality research : a handbook for managers and research (2nd edition). New York: John Wiley & Sons, Inc..

Gaya MLA

Ritchie, J.R., Brent, (editors)., Goeldner, Charles, R.. "Travel, tourism, and hospitality research : a handbook for managers and research". 2nd edition New York: John Wiley & Sons, Inc., 1994. BUKU.