American Water Works Association & ebrary, Inc. (2009). Ductile-iron pipe and fittings (3rd ed.). American Water Works Association.
Chicagoスタイル(17版)引用形式American Water Works Association , Inc ebrary. Ductile-iron Pipe and Fittings. 3rd ed. Denver, Colo.: American Water Works Association, 2009.
MLA(9版)引用形式American Water Works Association , Inc ebrary. Ductile-iron Pipe and Fittings. 3rd ed. American Water Works Association, 2009.
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