Berkow, R., Beers, M. H., & Fletcher, A. J. (2003). The Merck manual of medical information (2nd ed.). Merck Research Laboratories.
Chicago Style aipamenaBerkow, Robert, Mark H. Beers, and Andrew J. Fletcher. The Merck Manual of Medical Information. 2nd ed. Whitehouse Station, N.J: Merck Research Laboratories, 2003.
MLA aipamenaBerkow, Robert, et al. The Merck Manual of Medical Information. 2nd ed. Merck Research Laboratories, 2003.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.