Beral, V., & Reeves, G. (1993). Childbearing, oral contraceptive use, and breast cancer.
Cita Chicago (17th ed.)Beral, V., i G. Reeves. Childbearing, Oral Contraceptive Use, and Breast Cancer. 1993.
Cita MLA (9th ed.)Beral, V., i G. Reeves. Childbearing, Oral Contraceptive Use, and Breast Cancer. 1993.
Atenció: Aquestes cites poden no estar 100% correctes.