Sachs, F. L. (1974). Pulmonary Emphysema and Proteolysis.
Chicago Style aipamenaSachs, Frederick L. Pulmonary Emphysema and Proteolysis. 1974.
MLA aipamenaSachs, Frederick L. Pulmonary Emphysema and Proteolysis. 1974.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.