Water Environment Federation Task Force on Wastewater Biology : the Life Processes, Gerardi, M. H., & Arthur, R. M. (1994). Wastewater biology : the life processes: The Life Processes, Michael H. Gerardi, chair ; Robert M. Arthur ... [et al.] ; under the direction of the Operations and Maintenance Subcommittee of the Technical Practice Committee. Water Environment Federation.
Chicago-referens (17:e uppl.)Water Environment Federation Task Force on Wastewater Biology : the Life Processes, Michael H. Gerardi, och Robert M. Arthur. Wastewater Biology : The Life Processes: The Life Processes, Michael H. Gerardi, Chair ; Robert M. Arthur ... [et Al.] ; Under the Direction of the Operations and Maintenance Subcommittee of the Technical Practice Committee. Alexandria, VA: Water Environment Federation, 1994.
MLA-referens (9:e uppl.)Water Environment Federation Task Force on Wastewater Biology : the Life Processes, et al. Wastewater Biology : The Life Processes: The Life Processes, Michael H. Gerardi, Chair ; Robert M. Arthur ... [et Al.] ; Under the Direction of the Operations and Maintenance Subcommittee of the Technical Practice Committee. Water Environment Federation, 1994.