Παραπομπή APA

Arya, N. (2008). Tourism: A whole industry in its realm. Cyber tech publications.

Παραπομπή Chicago Style

Arya, Nishant. Tourism: A Whole Industry in Its Realm. New Delhi: Cyber tech publications, 2008.

Παραπομπή MLA

Arya, Nishant. Tourism: A Whole Industry in Its Realm. Cyber tech publications, 2008.