Singer, L. T., Nelson, S., Short, E., Min, M. O., Kirchner, H. L., Lewis, B., . . . Minnes, S. (2008). Prenatal Cocaine Exposure: Drug and Environmental Effects at 9 years.
Čikaški stil citiranjaSinger, Lynn T., Suchitra Nelson, Elizabeth Short, Meeyoung O. Min, H. Lester Kirchner, Barbara Lewis, Sandra Russ, i Sonia Minnes. Prenatal Cocaine Exposure: Drug and Environmental Effects At 9 Years. 2008.
MLA način citiranjaSinger, Lynn T., et al. Prenatal Cocaine Exposure: Drug and Environmental Effects At 9 Years. 2008.
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