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.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNational Research Council (U.S.). Panel on Adolescent Pregnancy and Childbearing और Cheryl D. Hayes. Risking the Future: Adolescent Sexuality, Pregnancy, and Childbearing. Washington, D.C: National Academy Press, 1987.
एमएलए (9वां संस्करण) प्रशस्ति पत्रNational Research Council (U.S.). Panel on Adolescent Pregnancy and Childbearing और Cheryl D. Hayes. Risking the Future: Adolescent Sexuality, Pregnancy, and Childbearing. National Academy Press, 1987.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.