APA (7 वां संस्करण) प्रशस्ति पत्र
American Water Works Association & ebrary, Inc. (2006). Distribution valves: Selection, installation, field testing, and maintenance (2nd ed.). American Water Works Association.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
American Water Works Association और Inc ebrary. Distribution Valves: Selection, Installation, Field Testing, and Maintenance. 2nd ed. Denver, Colo.: American Water Works Association, 2006.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
American Water Works Association और Inc ebrary. Distribution Valves: Selection, Installation, Field Testing, and Maintenance. 2nd ed. American Water Works Association, 2006.
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