Karavitaki, N., & Wass, J. (2009). Non-adenomatous pituitary tumours.
Chicago Style aipamenaKaravitaki, N., and J. Wass. Non-adenomatous Pituitary Tumours. 2009.
MLA aipamenaKaravitaki, N., and J. Wass. Non-adenomatous Pituitary Tumours. 2009.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.