American Water Works Association, ebrary, Inc, Stubbart, J. M., Lauer, B., & McCandless, T. J. (2004). AWWA water operator field guide. American Water Works Association.
Chicago Style (17th ed.) CitationAmerican Water Works Association, Inc ebrary, John M. Stubbart, Bill Lauer, and Timothy J. McCandless. AWWA Water Operator Field Guide. Denver, Colo.: American Water Works Association, 2004.
ציטוט MLAAmerican Water Works Association, et al. AWWA Water Operator Field Guide. American Water Works Association, 2004.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.