Organisation for Economic Co-operation and Development. (1981). Animal feeding and production: New technical and economic developments. Organisation for Economic Co-operation and Development ; Sold by OECD Publications and Information Center].
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Organisation for Economic Co-operation and Development. Animal Feeding and Production: New Technical and Economic Developments. Paris : [Washington, D.C.: Organisation for Economic Co-operation and Development ; Sold by OECD Publications and Information Center], 1981.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Organisation for Economic Co-operation and Development. Animal Feeding and Production: New Technical and Economic Developments. Organisation for Economic Co-operation and Development ; Sold by OECD Publications and Information Center], 1981.