APA aipamena

Mathur, R. (2007). International tourism. ABD.

Chicago Style aipamena

Mathur, Ramesh. International Tourism. Jaipur: ABD, 2007.

MLA aipamena

Mathur, Ramesh. International Tourism. ABD, 2007.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.