Weir, G., & Cader, M. (2011). New directions in migraine.
Chicago Style aipamenaWeir, G., and M. Cader. New Directions in Migraine. 2011.
MLA aipamenaWeir, G., and M. Cader. New Directions in Migraine. 2011.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.