Παραπομπή APA

Patel, K. (2010). Travel and tourism: International approach. Adhyayan publishers &distributors.

Παραπομπή Chicago Style

Patel, K.N. Travel and Tourism: International Approach. New Delhi: Adhyayan publishers &distributors, 2010.

Παραπομπή MLA

Patel, K.N. Travel and Tourism: International Approach. Adhyayan publishers &distributors, 2010.