American Water Works Association & ebrary, Inc. (2003). Recommended practice for backflow prevention and cross-connection control (3rd ed.). American Water Works Association.
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Chicago Style (17th ed.) Citation
American Water Works Association and Inc ebrary. Recommended Practice for Backflow Prevention and Cross-connection Control. 3rd ed. Denver, Colo.: American Water Works Association, 2003.
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MLA引文
American Water Works Association and Inc ebrary. Recommended Practice for Backflow Prevention and Cross-connection Control. 3rd ed. American Water Works Association, 2003.
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警告：這些引文格式不一定是100％准確.