APA (7th ed.) Zitazioa

kaushik, a., & Kaushik, C. P. (2014). perspectives in environmental studies. New age international limited.

Chicago Style (17th ed.) Zitazioa

kaushik, anubha, eta C P. Kaushik. Perspectives in Environmental Studies. New delhi: New age international limited, 2014.

MLA (9th ed.) Zitazioa

kaushik, anubha, eta C P. Kaushik. Perspectives in Environmental Studies. New age international limited, 2014.

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