APA aipamena

(1993). Breast feeding and risk of breast cancer in young women. United Kingdom National Case-Control Study Group.

Chicago Style aipamena

Breast Feeding and Risk of Breast Cancer in Young Women. United Kingdom National Case-Control Study Group. 1993.

MLA aipamena

Breast Feeding and Risk of Breast Cancer in Young Women. United Kingdom National Case-Control Study Group. 1993.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.