Knovel (Firm) & American Water Works Association. (2004). Recommended practice for backflow prevention and cross-connection control (3rd ed.). American Water Works Association.
Chicago Style (17th ed.) CitationKnovel (Firm) and American Water Works Association. Recommended Practice for Backflow Prevention and Cross-connection Control. 3rd ed. Denver, CO: American Water Works Association, 2004.
MLA (9th ed.) CitationKnovel (Firm) and American Water Works Association. Recommended Practice for Backflow Prevention and Cross-connection Control. 3rd ed. American Water Works Association, 2004.
Warning: These citations may not always be 100% accurate.