APA استشهاد

Goeldner,Charles R. (2007). Tourism: Principles,Practices,Philosophies/10e (10 th edition.). Wiley.

استشهاد بنمط شيكاغو

Goeldner,Charles R. Tourism: Principles,Practices,Philosophies/10e. 10 th edition. New Delhi: Wiley, 2007.

MLA استشهاد

Goeldner,Charles R. Tourism: Principles,Practices,Philosophies/10e. 10 th edition. Wiley, 2007.