Rees, D., Williams, T., & Gladwin, M. (2010). Sickle-cell disease.
Chicago Style aipamenaRees, D., T. Williams, and M. Gladwin. Sickle-cell Disease. 2010.
MLA aipamenaRees, D., et al. Sickle-cell Disease. 2010.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.