Citazione Stile APA (7a Edizione)

Goeldner, C. R. (2009). Tourism: Principles, practices, philosphies (11th.). John Wiley & Sons.

Citazione stile Chigago Style (17a edizione)

Goeldner, Charles R. Tourism: Principles, Practices, Philosphies. 11th. New Jersey: John Wiley & Sons, 2009.

Citatione MLA (9a ed.)

Goeldner, Charles R. Tourism: Principles, Practices, Philosphies. 11th. John Wiley & Sons, 2009.