Papanagiotou, P., Grunwald, I., Politi, M., & Reith, W. (2008). Cerebral abscess due to sinusitis.
Chicago Style aipamenaPapanagiotou, P., I. Grunwald, M. Politi, and W. Reith. Cerebral Abscess Due to Sinusitis. 2008.
MLA aipamenaPapanagiotou, P., et al. Cerebral Abscess Due to Sinusitis. 2008.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.