Freeman, E. W., & Rickels, K. (1993). Early childbearing: Perspectives of black adolescents and pregnancy, abortion, and contraception. Sage.
Chicagoスタイル(17版)引用形式Freeman, Ellen W., , Karl Rickels. Early Childbearing: Perspectives of Black Adolescents and Pregnancy, Abortion, and Contraception. London: Sage, 1993.
MLA(9版)引用形式Freeman, Ellen W., , Karl Rickels. Early Childbearing: Perspectives of Black Adolescents and Pregnancy, Abortion, and Contraception. Sage, 1993.
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