APA aipamena

Oliver, M. F., & Cumming, R. A. (1962). Blood Groups and Heart Disease.

Chicago Style aipamena

Oliver, M. F., and R. A. Cumming. Blood Groups and Heart Disease. 1962.

MLA aipamena

Oliver, M. F., and R. A. Cumming. Blood Groups and Heart Disease. 1962.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.