American Water Works Association & ebrary, Inc. (2002). PVC pipe-- design and installation (2nd ed.). American Water Works Association.
Παραπομπή σε μορφή Chicago (17η εκδ.)American Water Works Association και Inc ebrary. PVC Pipe-- Design and Installation. 2nd ed. Denver, Colo.: American Water Works Association, 2002.
Παραπομπή σε μορφή MLA (9th εκδ.)American Water Works Association και Inc ebrary. PVC Pipe-- Design and Installation. 2nd ed. American Water Works Association, 2002.
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