Citazione Stile APA (7a Edizione)

Kaushik, A. (2012). Perspective in Environmental Studies (3rd.). New Age.

Citazione stile Chigago Style (17a edizione)

Kaushik, A. Perspective in Environmental Studies. 3rd. New Delhi: New Age, 2012.

Citatione MLA (9a ed.)

Kaushik, A. Perspective in Environmental Studies. 3rd. New Age, 2012.