Pipes, W. O. (1982). Sampling frecuency microbiological drinking water regulations. Washington: Office of Drinking Water.
Chicago Style CitationPipes, Wesley O. Sampling Frecuency Microbiological Drinking Water Regulations. Washington: Office of Drinking Water, 1982.
MLA CitationPipes, Wesley O. Sampling Frecuency Microbiological Drinking Water Regulations. Washington: Office of Drinking Water, 1982.
Warning: These citations may not always be 100% accurate.