APA aipamena

Björk, V. O. (1961). Perfusion Technic for Surgery on the Aortic Valves.

Chicago Style aipamena

Björk, Viking Olov. Perfusion Technic for Surgery On the Aortic Valves. 1961.

MLA aipamena

Björk, Viking Olov. Perfusion Technic for Surgery On the Aortic Valves. 1961.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.