Organisation for Economic Co-operation and Development. (1968). The food problem of developing countries. Organisation for Economic Cooperation and Development.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Organisation for Economic Co-operation and Development. The Food Problem of Developing Countries. [Paris]: Organisation for Economic Cooperation and Development, 1968.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Organisation for Economic Co-operation and Development. The Food Problem of Developing Countries. Organisation for Economic Cooperation and Development, 1968.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.