United States, United States. Environmental Protection Agency, & Russomanno, . R. (1979). Methods for the determination of bacteriological contaminants in drinking water: Training manual. National Technical Information Service, U.S. Department of Commerce.
Cytowanie według stylu Chicago (wyd. 17)United States, United States. Environmental Protection Agency, i Rocco Russomanno. Methods for the Determination of Bacteriological Contaminants in Drinking Water: Training Manual. Springfield, Va.: National Technical Information Service, U.S. Department of Commerce, 1979.
Cytowanie według stylu MLA (wyd. 9)United States, et al. Methods for the Determination of Bacteriological Contaminants in Drinking Water: Training Manual. National Technical Information Service, U.S. Department of Commerce, 1979.