Agricultural Development Council, Ford Foundation, Fletcher, L. B., & Merrill, W. C. (1968). Latin American agricultural development and policies. Dept. of Economics, Iowa State University.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Agricultural Development Council, Ford Foundation, Lehman B. Fletcher, و William C. Merrill. Latin American Agricultural Development and Policies. Ames: Dept. of Economics, Iowa State University, 1968.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Agricultural Development Council, et al. Latin American Agricultural Development and Policies. Dept. of Economics, Iowa State University, 1968.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.