Beral, V., & Reeves, G. (1993). Childbearing, oral contraceptive use, and breast cancer.
Čikaški stil citiranja (17. izdanje)Beral, V., i G. Reeves. Childbearing, Oral Contraceptive Use, and Breast Cancer. 1993.
MLA način citiranja (9. izdanje)Beral, V., i G. Reeves. Childbearing, Oral Contraceptive Use, and Breast Cancer. 1993.
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