Não informado. (1947). Economic Survey of Europe. United Nations, Department of Economic and Social Affairs.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Não informado. Economic Survey of Europe. Geneve, Suíça: United Nations, Department of Economic and Social Affairs, 1947.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Não informado. Economic Survey of Europe. United Nations, Department of Economic and Social Affairs, 1947.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.