Παραπομπή APA

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

Παραπομπή Chicago Style

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

Παραπομπή MLA

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