APA aipamena

Collis, J. L. (1979). Organisation of the specialty of cardiothoracic surgery.

Chicago Style aipamena

Collis, J L. Organisation of the Specialty of Cardiothoracic Surgery. 1979.

MLA aipamena

Collis, J L. Organisation of the Specialty of Cardiothoracic Surgery. 1979.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.