APA-referens (7:e uppl.)
American Water Works Association, ebrary, Inc, & Sham, C. H. (2010). Operational guide to AWWA standard G300, source water protection. American Water Works Association.
Chicago-referens (17:e uppl.)
American Water Works Association, Inc ebrary, och Chi Ho Sham. Operational Guide to AWWA Standard G300, Source Water Protection. Denver, Colo.: American Water Works Association, 2010.
MLA-referens (9:e uppl.)
American Water Works Association, et al. Operational Guide to AWWA Standard G300, Source Water Protection. American Water Works Association, 2010.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.