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