Dyfyniad APA

Kaushik, A., & Kaushik, C. P. (2004). Perspectives in environmental studies (2nd ed.). New Age International (P) Ltd., Publishers.

Dyfyniad Arddull Chicago

Kaushik, Anubha, and C. P. Kaushik. Perspectives in Environmental Studies. 2nd ed. New Delhi: New Age International (P) Ltd., Publishers, 2004.

Dyfyniad MLA

Kaushik, Anubha, and C. P. Kaushik. Perspectives in Environmental Studies. 2nd ed. New Age International (P) Ltd., Publishers, 2004.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.