Παραπομπή σε μορφή APA (7η εκδ.)

Achenbach, T. M. (1991). National survey of problems and competencies among four-to-sixteen-years-olds: Parent's reports for normative and clinical samples. Society for Research in Child Development.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Achenbach, Thomas M. National Survey of Problems and Competencies Among Four-to-sixteen-years-olds: Parent's Reports for Normative and Clinical Samples. Chicago: Society for Research in Child Development, 1991.

Παραπομπή σε μορφή MLA (9th εκδ.)

Achenbach, Thomas M. National Survey of Problems and Competencies Among Four-to-sixteen-years-olds: Parent's Reports for Normative and Clinical Samples. Society for Research in Child Development, 1991.