APA ציטוט

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.

Chicago Style (17th ed.) Citation

National Research Council (U.S.). Committee on Water Quality Improvement for the Pittsburgh Region and Inc ebrary. Regional Cooperation for Water Quality Improvement in Southwestern Pennsylvania. Washington, DC: National Academies Press, 2005.

ציטוט MLA

National Research Council (U.S.). Committee on Water Quality Improvement for the Pittsburgh Region and Inc ebrary. Regional Cooperation for Water Quality Improvement in Southwestern Pennsylvania. National Academies Press, 2005.