Παραπομπή APA

Sethi, P. (2002). Millenium trends in travel and tourism. Rajat Publications.

Παραπομπή Chicago Style

Sethi, Praveen. Millenium Trends in Travel and Tourism. New Delhi: Rajat Publications, 2002.

Παραπομπή MLA

Sethi, Praveen. Millenium Trends in Travel and Tourism. Rajat Publications, 2002.