Singh , A. (2006). Environment and water reources management. Adhyayan.
Chicagoスタイル(17版)引用形式Singh , A. Environment and Water Reources Management. New Delhi: Adhyayan, 2006.
MLA(9版)引用形式Singh , A. Environment and Water Reources Management. Adhyayan, 2006.
警告: この引用は必ずしも正確ではありません.