APA (7th ed.) Zitazioa
ebrary, Inc. (2006). PE pipe: Design and installation. American Water Works Association.
Chicago Style (17th ed.) Zitazioa
ebrary, Inc. PE Pipe: Design and Installation. Denver, Colo.: American Water Works Association, 2006.
MLA (9th ed.) Zitazioa
ebrary, Inc. PE Pipe: Design and Installation. American Water Works Association, 2006.
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