Dyfyniad APA

PUNMIA, B. (2012). WASTEWATER ENGINEERING (2ND ED.). LAXMI PUBLICATIONS.

Dyfyniad Arddull Chicago

PUNMIA, B.C. WASTEWATER ENGINEERING. 2ND ED. BANGALORE: LAXMI PUBLICATIONS, 2012.

Dyfyniad MLA

PUNMIA, B.C. WASTEWATER ENGINEERING. 2ND ED. LAXMI PUBLICATIONS, 2012.

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