United States. National Resources Planning Board. (1942). Pacific Northwest region industrial development, Dec., 1942. U.S. Government Printing Office.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)United States. National Resources Planning Board. Pacific Northwest Region Industrial Development, Dec., 1942. Washington, D.C.: U.S. Government Printing Office, 1942.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)United States. National Resources Planning Board. Pacific Northwest Region Industrial Development, Dec., 1942. U.S. Government Printing Office, 1942.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.