National Research Council (U.S.). Committee on Water Quality Improvement for the Pittsburgh Region & ebrary, Inc. (2005). Regional cooperation for water quality improvement in southwestern Pennsylvania. National Academies Press.
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Chicago (17e ed.) Bronvermelding
National Research Council (U.S.). Committee on Water Quality Improvement for the Pittsburgh Region en Inc ebrary. Regional Cooperation for Water Quality Improvement in Southwestern Pennsylvania. Washington, DC: National Academies Press, 2005.
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MLA (9e ed.) Bronvermelding
National Research Council (U.S.). Committee on Water Quality Improvement for the Pittsburgh Region en Inc ebrary. Regional Cooperation for Water Quality Improvement in Southwestern Pennsylvania. National Academies Press, 2005.
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Let op: Deze citaties zijn niet altijd 100% accuraat.