Spellman, F. R. (2011). Spellman's Standard handbook for wastewater operators Vol II (Second.).
Chicago Edition CitationSpellman, Frank R. Spellman's Standard Handbook for Wastewater Operators Vol II. Second. Florida, CRC Press, 2011.
MLA Edition CitationSpellman, Frank R. Spellman's Standard Handbook for Wastewater Operators Vol II. Second. 2011.
Warning: These citations may not always be 100% accurate.