APA استشهاد

Freeman, E. W., & Rickels, K. (1993). Early childbearing: Perspectives of Black adolescents on pregnancy, abortion, and contraception. Sage Publications.

استشهاد بنمط شيكاغو

Freeman, Ellen W., و Karl Rickels. Early Childbearing: Perspectives of Black Adolescents on Pregnancy, Abortion, and Contraception. Newbury Park: Sage Publications, 1993.

MLA استشهاد

Freeman, 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%.