Western Wheat Associates, U.S.A, & United States. Department of Agriculture. Statistical Reporting Service. (1963). Wheat: Supply, distribution and value in the Pacific Northwest. The Associates.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Western Wheat Associates, U.S.A, و United States. Department of Agriculture. Statistical Reporting Service. Wheat: Supply, Distribution and Value in the Pacific Northwest. Portland, Or.: The Associates, 1963.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Western Wheat Associates, U.S.A, و United States. Department of Agriculture. Statistical Reporting Service. Wheat: Supply, Distribution and Value in the Pacific Northwest. The Associates, 1963.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.