Kaushik, A., & Kaushik, C. P. (2004). Perspectives in environmental studies (2nd ed.). New Age International (P) Ltd., Publishers.
Chicagoスタイル(17版)引用形式Kaushik, Anubha, , C. P. Kaushik. Perspectives in Environmental Studies. 2nd ed. New Delhi: New Age International (P) Ltd., Publishers, 2004.
MLA(9版)引用形式Kaushik, Anubha, , C. P. Kaushik. Perspectives in Environmental Studies. 2nd ed. New Age International (P) Ltd., Publishers, 2004.
警告: この引用は必ずしも正確ではありません.