APA (7th ed.) Zitazioa
Green, D. (2010). Water conservation for small- and medium-sized utilities. American Water Works Association.
Chicago Style (17th ed.) Zitazioa
Green, Deborah. Water Conservation for Small- and Medium-sized Utilities. Denver, Colo.: American Water Works Association, 2010.
MLA (9th ed.) Zitazioa
Green, Deborah. Water Conservation for Small- and Medium-sized Utilities. American Water Works Association, 2010.
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