Rypins, H. (1939). Medical state board examinations: Topical summaries and answers; an organized review of actual questions given in medical licensing examinations throughout the United States (4th ed.). J. B. Lippincott company.
Trích dẫn kiểu Chicago (xuất bản lần thứ 7)Rypins, Harold. Medical State Board Examinations: Topical Summaries and Answers; an Organized Review of Actual Questions Given in Medical Licensing Examinations Throughout the United States. 4th ed. Philadelphia [etc.]: J. B. Lippincott company, 1939.
Trích dẫn kiểu MLA (xuất bản lần thứ 8)Rypins, Harold. Medical State Board Examinations: Topical Summaries and Answers; an Organized Review of Actual Questions Given in Medical Licensing Examinations Throughout the United States. 4th ed. J. B. Lippincott company, 1939.
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