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توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Universities--National Bureau Committee for Economic Research. Problems in the Study of Economic Growth. New York: National Bureau of Economic Research, 1949.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Universities--National Bureau Committee for Economic Research. Problems in the Study of Economic Growth. National Bureau of Economic Research, 1949.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.