Tohutoro APA (7th ed.)

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

Tohutoru Kātū Chicago (17th ed.)

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

Tohutoro MLA (9th ed.)

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