APA استشهاد

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

استشهاد بنمط شيكاغو

Jennings, Gayle; Author. Tourism Research. 2nd ed. Milton, John Wiley & Sons Australia, Ltd, 2010.

MLA استشهاد

Jennings, Gayle; Author. Tourism Research. 2nd ed. 2010.