Cita APA (7th ed.)

American Water Works Association, ebrary, Inc, Stubbart, J. M., Lauer, B., & McCandless, T. J. (2004). AWWA water operator field guide. American Water Works Association.

Cita Chicago (17th ed.)

American Water Works Association, Inc ebrary, John M. Stubbart, Bill Lauer, i Timothy J. McCandless. AWWA Water Operator Field Guide. Denver, Colo.: American Water Works Association, 2004.

Cita MLA (9th ed.)

American Water Works Association, et al. AWWA Water Operator Field Guide. American Water Works Association, 2004.