McKibbin, A., & Parks, T. G. (1974). Acute emphysematous cholecystitis.
Chicago Style aipamenaMcKibbin, A., and T. G. Parks. Acute Emphysematous Cholecystitis. 1974.
MLA aipamenaMcKibbin, A., and T. G. Parks. Acute Emphysematous Cholecystitis. 1974.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.