Dyfyniad APA
Kaushik, A., & Kaushik, C. P. (2014). Perspectives in environmental studies (4th ed.). New Age.
Dyfyniad Arddull Chicago
Kaushik, Anubha, and C. P. Kaushik. Perspectives in Environmental Studies. 4th ed. New Delhi: New Age, 2014.
Dyfyniad MLA
Kaushik, Anubha, and C. P. Kaushik. Perspectives in Environmental Studies. 4th ed. New Age, 2014.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.