Não informado. (1969). Latest information on national accounts of developing countries. Organisation for Economic Co-Operation and Development, Development Center.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Não informado. Latest Information on National Accounts of Developing Countries. Paris: Organisation for Economic Co-Operation and Development, Development Center, 1969.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Não informado. Latest Information on National Accounts of Developing Countries. Organisation for Economic Co-Operation and Development, Development Center, 1969.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.