APA aipamena

Barrington-Ward, L. (1939). Gall-stones: Ten Years' Surgical Experience.

Chicago Style aipamena

Barrington-Ward, Lancelot. Gall-stones: Ten Years' Surgical Experience. 1939.

MLA aipamena

Barrington-Ward, Lancelot. Gall-stones: Ten Years' Surgical Experience. 1939.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.