Kumar, A. (2004). Water pollution. A. P. H. Publishing Corporation.
Chicagoスタイル(17版)引用形式Kumar, A. Water Pollution. New Delhi: A. P. H. Publishing Corporation, 2004.
MLA(9版)引用形式Kumar, A. Water Pollution. A. P. H. Publishing Corporation, 2004.
警告: この引用は必ずしも正確ではありません.