Washington (State). Department of Agriculture. (1956). Wheat: Supply and distribution in the Pacific Northwest. Oregon Wheat Commission].
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Washington (State). Department of Agriculture. Wheat: Supply and Distribution in the Pacific Northwest. [Pendleton, Ore.: Oregon Wheat Commission], 1956.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Washington (State). Department of Agriculture. Wheat: Supply and Distribution in the Pacific Northwest. Oregon Wheat Commission], 1956.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.