AWWA Seminar on Recent Advances in Sludge Treatment and Disposal Washington, D.C., & American Water Works Association. Research Division. (1985). Proceedings: AWWA Seminar on Recent Advances in Sludge Treatment and Disposal : annual conference, Washington, D.C., June 23, 1985. American Water Works Association.
Style de citation Chicago (17e éd.)AWWA Seminar on Recent Advances in Sludge Treatment and Disposal Washington, D.C., et American Water Works Association. Research Division. Proceedings: AWWA Seminar on Recent Advances in Sludge Treatment and Disposal : Annual Conference, Washington, D.C., June 23, 1985. Denver, Colo.: American Water Works Association, 1985.
Style de citation MLA (8e éd.)AWWA Seminar on Recent Advances in Sludge Treatment and Disposal Washington, D.C., et American Water Works Association. Research Division. Proceedings: AWWA Seminar on Recent Advances in Sludge Treatment and Disposal : Annual Conference, Washington, D.C., June 23, 1985. American Water Works Association, 1985.