National Research Council (U.S.). Committee on Assessing and Valuing the Services of Aquatic and Related Terrestrial Ecosystems. (2005). Valuing ecosystem services: Toward better environmental decision-making. National Academies Press.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)National Research Council (U.S.). Committee on Assessing and Valuing the Services of Aquatic and Related Terrestrial Ecosystems. Valuing Ecosystem Services: Toward Better Environmental Decision-making. Washington, D.C.: National Academies Press, 2005.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)National Research Council (U.S.). Committee on Assessing and Valuing the Services of Aquatic and Related Terrestrial Ecosystems. Valuing Ecosystem Services: Toward Better Environmental Decision-making. National Academies Press, 2005.