Brownell, B. (1977). An Atlas of Tumours Involving the Central Nervous System.
Chicago Style aipamenaBrownell, Betty. An Atlas of Tumours Involving the Central Nervous System. 1977.
MLA aipamenaBrownell, Betty. An Atlas of Tumours Involving the Central Nervous System. 1977.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.