Washington State University. Institute of Agricultural Sciences & United States. Bureau of Reclamation. (1951). Farmers handbook for the Columbia Basin Project. Agricultural Extension Service, The State College of Washington.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Washington State University. Institute of Agricultural Sciences و United States. Bureau of Reclamation. Farmers Handbook for the Columbia Basin Project. [Pullman]: Agricultural Extension Service, The State College of Washington, 1951.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Washington State University. Institute of Agricultural Sciences و United States. Bureau of Reclamation. Farmers Handbook for the Columbia Basin Project. Agricultural Extension Service, The State College of Washington, 1951.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.