American Water Works Association, ebrary, Inc, Stubbart, J. M., Lauer, B., & McCandless, T. J. (2004). AWWA water operator field guide. American Water Works Association.
芝加哥风格引文American Water Works Association, Inc ebrary, John M. Stubbart, Bill Lauer, 与 Timothy J. McCandless. AWWA Water Operator Field Guide. Denver, Colo.: American Water Works Association, 2004.
MLA引文American Water Works Association, et al. AWWA Water Operator Field Guide. American Water Works Association, 2004.
警告：这些引文格式不一定是100％准确.