Rao,p.Venugopala. (2002). Textbook of environmental engineering. PHI Learning Private Limited.
Chicagoスタイル(17版)引用形式Rao,p.Venugopala. Textbook of Environmental Engineering. New Delhi: PHI Learning Private Limited, 2002.
MLA(9版)引用形式Rao,p.Venugopala. Textbook of Environmental Engineering. PHI Learning Private Limited, 2002.
警告: この引用は必ずしも正確ではありません.