ebrary, Inc. (1991). Managing water resources in the West under conditions of climate uncertainty: Proceedings of a colloquium, November 14-16, 1990, Scottsdale, Arizona. National Academy Press.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)ebrary, Inc. Managing Water Resources in the West Under Conditions of Climate Uncertainty: Proceedings of a Colloquium, November 14-16, 1990, Scottsdale, Arizona. Washington, D.C.: National Academy Press, 1991.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)ebrary, Inc. Managing Water Resources in the West Under Conditions of Climate Uncertainty: Proceedings of a Colloquium, November 14-16, 1990, Scottsdale, Arizona. National Academy Press, 1991.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.