Tohutoro APA (7th ed.)
American Water Works Association & ebrary, Inc. (2008). Concrete pressure pipe (3rd ed.). American Water Works Association.
Tohutoru Kātū Chicago (17th ed.)
American Water Works Association me Inc ebrary. Concrete Pressure Pipe. 3rd ed. Denver, Colo.: American Water Works Association, 2008.
Tohutoro MLA (9th ed.)
American Water Works Association me Inc ebrary. Concrete Pressure Pipe. 3rd ed. American Water Works Association, 2008.
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