Graham, D. I. (1977). Pathology of Tumours of the Nervous System.
Chicago Style aipamenaGraham, D. I. Pathology of Tumours of the Nervous System. 1977.
MLA aipamenaGraham, D. I. Pathology of Tumours of the Nervous System. 1977.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.