APA aipamena

(1964). Oxygen concentration and subsequent middle ear symptoms. s.n.].

Chicago Style aipamena

Oxygen Concentration and Subsequent Middle Ear Symptoms. [Dublin: s.n.], 1964.

MLA aipamena

Oxygen Concentration and Subsequent Middle Ear Symptoms. s.n.], 1964.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.