APA aipamena

Sethi, P. (1999). Nature and scope of tourism. Rajat publications.

Chicago Style aipamena

Sethi, Praveen. Nature and Scope of Tourism. Delhi: Rajat publications, 1999.

MLA aipamena

Sethi, Praveen. Nature and Scope of Tourism. Rajat publications, 1999.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.