International Institute of Intellectual Co-operation. (1932). The State and Economic Life (1.). International Institute of Intellectual Co-operation.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)International Institute of Intellectual Co-operation. The State and Economic Life. 1. Paris: International Institute of Intellectual Co-operation, 1932.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)International Institute of Intellectual Co-operation. The State and Economic Life. 1. International Institute of Intellectual Co-operation, 1932.