National Training and Operational Technology Center, Cincinnati, Ohio, Engel, W. T., Highby, J. H., & Wagner, D. M. (1978). Effluent monitoring procedures: Basic laboratory skills : staff guide for conducting the course. Environmental Protection Agency, Office of Water Program Operations, Municipal Operations and Training Division, National Training and Operational Technology Center.
Chicago Style (17th ed.) CitationNational Training and Operational Technology Center, Cincinnati, Ohio, William T. Engel, John H. Highby, and David M. Wagner. Effluent Monitoring Procedures: Basic Laboratory Skills : Staff Guide for Conducting the Course. [Washington]: Environmental Protection Agency, Office of Water Program Operations, Municipal Operations and Training Division, National Training and Operational Technology Center, 1978.
MLA (9th ed.) CitationNational Training and Operational Technology Center, Cincinnati, Ohio, et al. Effluent Monitoring Procedures: Basic Laboratory Skills : Staff Guide for Conducting the Course. Environmental Protection Agency, Office of Water Program Operations, Municipal Operations and Training Division, National Training and Operational Technology Center, 1978.