National Research Council (U.S.). Panel on Adolescent Pregnancy and Childbearing, ebrary, Inc, & Hayes, C. D. (1987). Risking the future: Adolescent sexuality, pregnancy, and childbearing. National Academy Press.
芝加哥风格引文National Research Council (U.S.). Panel on Adolescent Pregnancy and Childbearing, Inc ebrary, 与 Cheryl D. Hayes. Risking the Future: Adolescent Sexuality, Pregnancy, and Childbearing. Washington, D.C.: National Academy Press, 1987.
MLA引文National Research Council (U.S.). Panel on Adolescent Pregnancy and Childbearing, et al. Risking the Future: Adolescent Sexuality, Pregnancy, and Childbearing. National Academy Press, 1987.
警告：这些引文格式不一定是100％准确.