(2009). Water audits and loss control programs (3rd ed.). American Water Works Association.
Chicago-Zitierstil (17. Ausg.)Water Audits and Loss Control Programs. 3rd ed. Denver, Colo: American Water Works Association, 2009.
MLA-Zitierstil (9. Ausg.)Water Audits and Loss Control Programs. 3rd ed. American Water Works Association, 2009.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.