Belcher, J. R. (1952). The Surgery of Rheumatic Heart Disease.
Chicago Style aipamenaBelcher, J. R. The Surgery of Rheumatic Heart Disease. 1952.
MLA aipamenaBelcher, J. R. The Surgery of Rheumatic Heart Disease. 1952.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.