Não informado. (1931). Medical education in the United States and Canada. American Medical Association, Council on Medical Education and Hospitals.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Não informado. Medical Education in the United States and Canada. Chicago, Ill: American Medical Association, Council on Medical Education and Hospitals, 1931.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Não informado. Medical Education in the United States and Canada. American Medical Association, Council on Medical Education and Hospitals, 1931.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.