APA-referens (7:e uppl.)
RSM McGladrey, Inc, American Water Works Association, & ebrary, Inc. (2009). Water workforce trends: Impact of the 2009 economy : a comprehensive survey. American Water Works Association.
Chicago-referens (17:e uppl.)
RSM McGladrey, Inc, American Water Works Association, och Inc ebrary. Water Workforce Trends: Impact of the 2009 Economy : A Comprehensive Survey. Denver, Colo.: American Water Works Association, 2009.
MLA-referens (9:e uppl.)
RSM McGladrey, Inc, et al. Water Workforce Trends: Impact of the 2009 Economy : A Comprehensive Survey. American Water Works Association, 2009.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.