Kinlen, L., Clarke, C., & Doll, R. (1980). Fluoridation and cancer.
Chicago Style aipamenaKinlen, L., C. Clarke, and R. Doll. Fluoridation and Cancer. 1980.
MLA aipamenaKinlen, L., et al. Fluoridation and Cancer. 1980.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.