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