APA aipamena

Prasad, P. G. (2010). Global tourism: Principles and practices. Adhyayan publishers.

Chicago Style aipamena

Prasad, P.N. Girija. Global Tourism: Principles and Practices. New Delhi: Adhyayan publishers, 2010.

MLA aipamena

Prasad, P.N. Girija. Global Tourism: Principles and Practices. Adhyayan publishers, 2010.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.