APA-referens (7:e uppl.)
American Water Works Association, ebrary, Inc, & Stubbart, J. M. (2006). AWWA wastewater operator field guide. American Water Works Association.
Chicago-referens (17:e uppl.)
American Water Works Association, Inc ebrary, och John M. Stubbart. AWWA Wastewater Operator Field Guide. Denver, Colo.: American Water Works Association, 2006.
MLA-referens (9:e uppl.)
American Water Works Association, et al. AWWA Wastewater Operator Field Guide. American Water Works Association, 2006.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.