APA استشهاد

Vijayakumar, A. (2009). Indian tourism industry in 21st century: Challenges and respones. Sonali Publications.

استشهاد بنمط شيكاغو

Vijayakumar, A. Indian Tourism Industry in 21st Century: Challenges and Respones. New Delhi: Sonali Publications, 2009.

MLA استشهاد

Vijayakumar, A. Indian Tourism Industry in 21st Century: Challenges and Respones. Sonali Publications, 2009.