APA aipamena

Wardell, J. R. (1874). On Pleuritic Effusion.

Chicago Style aipamena

Wardell, John Richard. On Pleuritic Effusion. 1874.

MLA aipamena

Wardell, John Richard. On Pleuritic Effusion. 1874.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.