United States. Department of the Interior. Water and Power Resources Service & United States. Bureau of Reclamation. (1981). Water and Power Resources Service project data, 1981. The Service.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)United States. Department of the Interior. Water and Power Resources Service و United States. Bureau of Reclamation. Water and Power Resources Service Project Data, 1981. The Service, 1981.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)United States. Department of the Interior. Water and Power Resources Service و United States. Bureau of Reclamation. Water and Power Resources Service Project Data, 1981. The Service, 1981.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.