Cita APA (7th ed.)

Ginley, J. F., & Humphrey, T. A. (2009). Operational guide to AWWA standard G400: Utility management system. American Water Works Association.

Cita Chicago (17th ed.)

Ginley, James F., i Todd A. Humphrey. Operational Guide to AWWA Standard G400: Utility Management System. Denver: American Water Works Association, 2009.

Cita MLA (9th ed.)

Ginley, James F., i Todd A. Humphrey. Operational Guide to AWWA Standard G400: Utility Management System. American Water Works Association, 2009.