Rama, R. (1992). Investing in food. Development Centre of the Organisation for Economic Co-operation and Development ; OECD Publications and Information Centre, distributor].
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Rama, Ruth. Investing in Food. Paris : [Washington, D.C.: Development Centre of the Organisation for Economic Co-operation and Development ; OECD Publications and Information Centre, distributor], 1992.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Rama, Ruth. Investing in Food. Development Centre of the Organisation for Economic Co-operation and Development ; OECD Publications and Information Centre, distributor], 1992.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.