HAYES, C. D. 1987. Risking the future: Vol. 1, Adolescent sexuality, pregnancy and childbearing. Washington: National Academy Press.
Citace podle APA (7th ed.)Hayes, C. D. (1987). Risking the future: Vol. 1, Adolescent sexuality, pregnancy and childbearing. National Academy Press.
Citace podle Chicago (17th ed.)Hayes, Cheryl D. Risking the Future: Vol. 1, Adolescent Sexuality, Pregnancy and Childbearing. Washington: National Academy Press, 1987.
Citace podle MLA (9th ed.)Hayes, Cheryl D. Risking the Future: Vol. 1, Adolescent Sexuality, Pregnancy and Childbearing. National Academy Press, 1987.
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