Dyfyniad APA

Jennings, G. (2010). Tourism research (2nd ed.). Wiley.

Dyfyniad Arddull Chicago

Jennings, Gayle. Tourism Research. 2nd ed. New York: Wiley, 2010.

Dyfyniad MLA

Jennings, Gayle. Tourism Research. 2nd ed. Wiley, 2010.

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