Association, A. W. W. (1971). Basic water treatment operator`s manual AWWA No.M18. American Water Works Association.
Chicago Style (17th ed.) CitationAssociation, American Water Works. Basic Water Treatment Operator`s Manual AWWA No.M18. American Water Works Association, 1971.
MLA (8th ed.) CitationAssociation, American Water Works. Basic Water Treatment Operator`s Manual AWWA No.M18. American Water Works Association, 1971.
Warning: These citations may not always be 100% accurate.