Goel P K. (2006). Water Pollution: Causes,effects and control. New Age International.
シカゴスタイル引用形Goel P K. Water Pollution: Causes,effects and Control. New delhi: New Age International, 2006.
MLA引用形式Goel P K. Water Pollution: Causes,effects and Control. New Age International, 2006.
警告: この引用は必ずしも正確ではありません.