Clesceri, L. S., Eaton, A. D., Greenberg, A. E., Clesceri, L. S., & Greenberg, A. E. (1992). Standard methods for the examination of water and wastewater (18th ed. 1992.). Washington, DC: American Public Health Association.

Clesceri, Lenore S., Andrew D. Eaton, Arnold E. Greenberg, L. S. Clesceri, and A. E. Greenberg. Standard Methods for the Examination of Water and Wastewater. 18th ed. 1992. Washington, DC: American Public Health Association, 1992.

Clesceri, Lenore S., et al. Standard Methods for the Examination of Water and Wastewater. 18th ed. 1992. Washington, DC: American Public Health Association, 1992.