APA-referens (7:e uppl.)
ebrary, Inc. (2008). Dawn of the replacement era: Reinvesting in drinking water infrastructure. American Water Works Association.
Chicago-referens (17:e uppl.)
ebrary, Inc. Dawn of the Replacement Era: Reinvesting in Drinking Water Infrastructure. Denver, Colo.: American Water Works Association, 2008.
MLA-referens (9:e uppl.)
ebrary, Inc. Dawn of the Replacement Era: Reinvesting in Drinking Water Infrastructure. American Water Works Association, 2008.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.