McCormack, R. J. (1969). Pulmonary artery sling.
Chicago Style aipamenaMcCormack, R J. Pulmonary Artery Sling. 1969.
MLA aipamenaMcCormack, R J. Pulmonary Artery Sling. 1969.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.
APA aipamena