APA aipamena

Sharma Sashi Pushpa. (2006). Tourism and environment/1e. Kanishka.

Chicago Style aipamena

Sharma Sashi Pushpa. Tourism and Environment/1e. New Delhi: Kanishka, 2006.

MLA aipamena

Sharma Sashi Pushpa. Tourism and Environment/1e. Kanishka, 2006.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.