Northfield, D. W. C. (1958). PNEUMOENCEPHALOGRAPHY.
Chicago Style aipamenaNorthfield, D. W. C. PNEUMOENCEPHALOGRAPHY. 1958.
MLA aipamenaNorthfield, D. W. C. PNEUMOENCEPHALOGRAPHY. 1958.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.
APA aipamena