Yadav, M. (2009). Environment studies. Arise Publishers & Distributors.
Chicagoスタイル(17版)引用形式Yadav, M.S. Environment Studies. New Delhi: Arise Publishers & Distributors, 2009.
MLA(9版)引用形式Yadav, M.S. Environment Studies. Arise Publishers & Distributors, 2009.
警告: この引用は必ずしも正確ではありません.