Economic Development Institute. (1969). Developing the agricultural sector; selections from the Development Digest. International Bank for Reconstruction and Development.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Economic Development Institute. Developing the Agricultural Sector; Selections from the Development Digest. [Washington, D.C.] EDI: International Bank for Reconstruction and Development, 1969.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Economic Development Institute. Developing the Agricultural Sector; Selections from the Development Digest. International Bank for Reconstruction and Development, 1969.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.