Dyfyniad APA

McIntosh, R. W., Goeldner, C. R., & Ritchie, J. R. B. (1995). Tourism: Principles, practices, philosophies (7th ed.). Wiley.

Dyfyniad Arddull Chicago

McIntosh, Robert Woodrow, Charles R. Goeldner, and J. R. Brent Ritchie. Tourism: Principles, Practices, Philosophies. 7th ed. New York: Wiley, 1995.

Dyfyniad MLA

McIntosh, Robert Woodrow, et al. Tourism: Principles, Practices, Philosophies. 7th ed. Wiley, 1995.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.