APA aipamena

Collis, E. L. (1918). DISCUSSION ON THE INCIDENCE OF INDUSTRIAL TUBERCULOSIS.

Chicago Style aipamena

Collis, E. L. DISCUSSION ON THE INCIDENCE OF INDUSTRIAL TUBERCULOSIS. 1918.

MLA aipamena

Collis, E. L. DISCUSSION ON THE INCIDENCE OF INDUSTRIAL TUBERCULOSIS. 1918.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.