APA aipamena

Walker, R. M. (1968). Cancer in south-west England. Royal College of Surgeons of England.

Chicago Style aipamena

Walker, R. M. Cancer in South-west England. Royal College of Surgeons of England, 1968.

MLA aipamena

Walker, R. M. Cancer in South-west England. Royal College of Surgeons of England, 1968.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.