Recommended practice for backflow prevention and cross-connection control /
American Water Works Association.
APA Citation
American Water Works Association. (2004). Recommended practice for backflow prevention and cross-connection control. 3rd ed. Denver, CO: American Water Works Association.
MLA Citation
American Water Works Association. Recommended Practice for Backflow Prevention And Cross-connection Control. 3rd ed. Denver, CO: American Water Works Association, 2004.
Warning: These citations may not always be complete (especially for serials).