APA (7th ed.) Zitazioa
Bloetscher, F. (2011). Utility management for water and wastewater operators. American Water Works Association.
Chicago Style (17th ed.) Zitazioa
Bloetscher, Frederick. Utility Management for Water and Wastewater Operators. Denver, Colo.: American Water Works Association, 2011.
MLA (9th ed.) Zitazioa
Bloetscher, Frederick. Utility Management for Water and Wastewater Operators. American Water Works Association, 2011.
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