Freeman, E. W., & Rickels, K. (1993). Early childbearing: Perspectives of Black adolescents on pregnancy, abortion, and contraception. Sage Publications.
استشهاد بنمط شيكاغوFreeman, Ellen W., و Karl Rickels. Early Childbearing: Perspectives of Black Adolescents on Pregnancy, Abortion, and Contraception. Newbury Park: Sage Publications, 1993.
MLA استشهادFreeman, Ellen W., و Karl Rickels. Early Childbearing: Perspectives of Black Adolescents on Pregnancy, Abortion, and Contraception. Sage Publications, 1993.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.