Παραπομπή APA

Ballabh, P. (2009). Global warming: An international emerging issue. Cyber Tech Publications.

Παραπομπή Chicago Style

Ballabh, Parikshit. Global Warming: An International Emerging Issue. New Delhi: Cyber Tech Publications, 2009.

Παραπομπή MLA

Ballabh, Parikshit. Global Warming: An International Emerging Issue. Cyber Tech Publications, 2009.