American Water Works Association, ebrary, Inc, Stubbart, J. M., Lauer, B., & McCandless, T. J. (2004). AWWA water operator field guide. American Water Works Association.
Цитирование в стиле Чикаго (17-е изд.)American Water Works Association, Inc ebrary, John M. Stubbart, Bill Lauer, и Timothy J. McCandless. AWWA Water Operator Field Guide. Denver, Colo.: American Water Works Association, 2004.
Цитирование MLA (9-е изд.)American Water Works Association, et al. AWWA Water Operator Field Guide. American Water Works Association, 2004.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.