Kumar,H.D. (2008). General Ecology. Associated Business Corporation.
Chicagoスタイル(17版)引用形式Kumar,H.D. General Ecology. Dhaka,Bangladesh: Associated Business Corporation, 2008.
MLA(8版)引用形式Kumar,H.D. General Ecology. Associated Business Corporation, 2008.
警告: この引用は必ずしも正確ではありません.