APA aipamena

Wilson, M. P., Douglas, C. D., & Kefauver, D. F. (1991). Exramural programs of the NLM.

Chicago Style aipamena

Wilson, Marjorie P., Carl D. Douglas, and David F. Kefauver. Exramural Programs of the NLM. 1991.

MLA aipamena

Wilson, Marjorie P., Carl D. Douglas, and David F. Kefauver. Exramural Programs of the NLM. 1991.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.