APA-referens (7:e uppl.)
American Water Works Association & ebrary, Inc. (2003). Recommended practice for backflow prevention and cross-connection control (3rd ed.). American Water Works Association.
Chicago-referens (17:e uppl.)
American Water Works Association och Inc ebrary. Recommended Practice for Backflow Prevention and Cross-connection Control. 3rd ed. Denver, Colo.: American Water Works Association, 2003.
MLA-referens (9:e uppl.)
American Water Works Association och Inc ebrary. Recommended Practice for Backflow Prevention and Cross-connection Control. 3rd ed. American Water Works Association, 2003.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.