APA aipamena

Doll, R., & Hill, A. B. (1964). Mortality in Relation to Smoking: Ten Years' Observations of British Doctors.

Chicago Style aipamena

Doll, Richard, and Austin Bradford Hill. Mortality in Relation to Smoking: Ten Years' Observations of British Doctors. 1964.

MLA aipamena

Doll, Richard, and Austin Bradford Hill. Mortality in Relation to Smoking: Ten Years' Observations of British Doctors. 1964.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.