United States. Bureau of Reclamation & United States. Bureau of Reclamation. (1942). Columbia basin joint investigations, Washington: Farm experience studies. U.S. Govt. Print. Off..
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)United States. Bureau of Reclamation و United States. Bureau of Reclamation. Columbia Basin Joint Investigations, Washington: Farm Experience Studies. Washington, D.C: U.S. Govt. Print. Off., 1942.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)United States. Bureau of Reclamation و United States. Bureau of Reclamation. Columbia Basin Joint Investigations, Washington: Farm Experience Studies. U.S. Govt. Print. Off., 1942.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.