APA (7e ed.) Bronvermelding

National Research Council (U.S.). Panel on Adolescent Pregnancy and Childbearing & Hayes, C. D. (1987). Risking the future: Adolescent sexuality, pregnancy, and childbearing. National Academy Press.

Chicago (17e ed.) Bronvermelding

National Research Council (U.S.). Panel on Adolescent Pregnancy and Childbearing en Cheryl D. Hayes. Risking the Future: Adolescent Sexuality, Pregnancy, and Childbearing. Washington, D.C: National Academy Press, 1987.

MLA (9e ed.) Bronvermelding

National Research Council (U.S.). Panel on Adolescent Pregnancy and Childbearing en Cheryl D. Hayes. Risking the Future: Adolescent Sexuality, Pregnancy, and Childbearing. National Academy Press, 1987.