Kumar, H. D. (1997). Modern concepts of ecology (8th rev. ed.). Vikas Pub. House.
Chicagoスタイル(17版)引用形式Kumar, H. D. Modern Concepts of Ecology. 8th rev. ed. New Delhi: Vikas Pub. House, 1997.
MLA(8版)引用形式Kumar, H. D. Modern Concepts of Ecology. 8th rev. ed. Vikas Pub. House, 1997.
警告: この引用は必ずしも正確ではありません.