Não informado. (2008). Constitution of the American Water Works Association. American Water Works Association.
Chicago-referens (17:e uppl.)Não informado. Constitution of the American Water Works Association. New York: American Water Works Association, 2008.
MLA-referens (8:e uppl.)Não informado. Constitution of the American Water Works Association. American Water Works Association, 2008.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.
