APA (7e ed.) Bronvermelding
Ginley, J. F., & Humphrey, T. A. (2009). Operational guide to AWWA standard G400: Utility management system. American Water Works Association.
Chicago (17e ed.) Bronvermelding
Ginley, James F., en Todd A. Humphrey. Operational Guide to AWWA Standard G400: Utility Management System. Denver: American Water Works Association, 2009.
MLA (9e ed.) Bronvermelding
Ginley, James F., en Todd A. Humphrey. Operational Guide to AWWA Standard G400: Utility Management System. American Water Works Association, 2009.
Let op: Deze citaties zijn niet altijd 100% accuraat.