توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)
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.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)
National Research Council (U.S.). Committee on Water Quality Improvement for the Pittsburgh Region و Inc ebrary. Regional Cooperation for Water Quality Improvement in Southwestern Pennsylvania. Washington, DC: National Academies Press, 2005.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)
National Research Council (U.S.). Committee on Water Quality Improvement for the Pittsburgh Region و Inc ebrary. Regional Cooperation for Water Quality Improvement in Southwestern Pennsylvania. National Academies Press, 2005.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.