Gaya APA

McIntosh, R, W., Goeldner, C, R. (1990). Tourism : principles, practices, philosophies . New York: John Wiley & Sons, Inc.

Gaya MLA

McIntosh, Robert, W.., Goeldner, Charles, R.. "Tourism : principles, practices, philosophies". New York: John Wiley & Sons, Inc, 1990. Teks.