(2005). Project on Human Development in Chicago Neighborhoods (PHDCN) Child Behavior Checklist, Wave 1, 1994-1997 Felton J. Earls, Jeanne Brooks-Gunn, Stephen W. Raudenbush, Robert J. Sampson. [electronic resource].
Παραπομπή σε μορφή Chicago (17η εκδ.)Project on Human Development in Chicago Neighborhoods (PHDCN) Child Behavior Checklist, Wave 1, 1994-1997 Felton J. Earls, Jeanne Brooks-Gunn, Stephen W. Raudenbush, Robert J. Sampson. [electronic Resource]. 2005.
Παραπομπή σε μορφή MLA (9th εκδ.)Project on Human Development in Chicago Neighborhoods (PHDCN) Child Behavior Checklist, Wave 1, 1994-1997 Felton J. Earls, Jeanne Brooks-Gunn, Stephen W. Raudenbush, Robert J. Sampson. [electronic Resource]. 2005.
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