American Water Works Association & ebrary, Inc. (2009). Ductile-iron pipe and fittings (3rd ed.). American Water Works Association.
Chicago-viite (17. p.)American Water Works Association ja Inc ebrary. Ductile-iron Pipe and Fittings. 3rd ed. Denver, Colo.: American Water Works Association, 2009.
MLA-viite (9. p.)American Water Works Association ja Inc ebrary. Ductile-iron Pipe and Fittings. 3rd ed. American Water Works Association, 2009.
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