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.
Čikaški stil citiranja (17. izdanje)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 način citiranja (9. izdanje)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.
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