APA (7th ed.) Zitazioa
Barnes, H. V., & Spivak, J. L. (1990). Manual of clinical problems in internal medicine: With annotated key references (4th ed.). Little, Brown.
Chicago Style (17th ed.) Zitazioa
Barnes, H. Verdain, eta Jerry L. Spivak. Manual of Clinical Problems in Internal Medicine: With Annotated Key References. 4th ed. Boston: Little, Brown, 1990.
MLA (9th ed.) Zitazioa
Barnes, H. Verdain, eta Jerry L. Spivak. Manual of Clinical Problems in Internal Medicine: With Annotated Key References. 4th ed. Little, Brown, 1990.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.