.Dryfoos, J. G. (1990). Adolescents at risk: Prevalence and prevention. Oxford University Press.
Chicago-čujuhus (17. p.).Dryfoos, Joy G. Adolescents at Risk: Prevalence and Prevention. New York: Oxford University Press, 1990.
MLA-čujuhus (9. p.).Dryfoos, Joy G. Adolescents at Risk: Prevalence and Prevention. Oxford University Press, 1990.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.