Friedman, P. C. (1983). Current literature review in internal medicine: Study questions and annotated answers keyed to the most significant internal medicine literature of 1980.
芝加哥风格引文Friedman, Paul C. Current Literature Review in Internal Medicine: Study Questions and Annotated Answers Keyed to the Most Significant Internal Medicine Literature of 1980. Norwalk, CT, 1983.
MLA引文Friedman, Paul C. Current Literature Review in Internal Medicine: Study Questions and Annotated Answers Keyed to the Most Significant Internal Medicine Literature of 1980. 1983.
警告：这些引文格式不一定是100％准确.