PUNMIA, B. (2012). WASTEWATER ENGINEERING (2ND ED.). LAXMI PUBLICATIONS.
Chicago-čujuhus (17. p.)PUNMIA, B.C. WASTEWATER ENGINEERING. 2ND ED. BANGALORE: LAXMI PUBLICATIONS, 2012.
MLA-čujuhus (9. p.)PUNMIA, B.C. WASTEWATER ENGINEERING. 2ND ED. LAXMI PUBLICATIONS, 2012.
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