Cooper, J. L. (1959). Agricultural cooperatives and rural credit in the Philippines. U.S. Operations Mission to the Philippines, International Cooperation Administration.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Cooper, John L. Agricultural Cooperatives and Rural Credit in the Philippines. [Manila]: U.S. Operations Mission to the Philippines, International Cooperation Administration, 1959.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Cooper, John L. Agricultural Cooperatives and Rural Credit in the Philippines. U.S. Operations Mission to the Philippines, International Cooperation Administration, 1959.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.