APA引文

American Water Works Association, ebrary, Inc, & Stubbart, J. M. (2006). AWWA wastewater operator field guide. American Water Works Association.

Chicago Style (17th ed.) Citation

American Water Works Association, Inc ebrary, and John M. Stubbart. AWWA Wastewater Operator Field Guide. Denver, Colo.: American Water Works Association, 2006.

MLA引文

American Water Works Association, et al. AWWA Wastewater Operator Field Guide. American Water Works Association, 2006.