Achenbach, T. M., & Edelbrock, C. S. (1981). Behavioral problems and competencies reported by parents of normal and disturbed children aged four through sixteen.
Chicago-Zitierstil (17. Ausg.)Achenbach, Thomas M., und Craig S. Edelbrock. Behavioral Problems and Competencies Reported by Parents of Normal and Disturbed Children Aged Four Through Sixteen. Chicago, Ill, 1981.
MLA-Zitierstil (9. Ausg.)Achenbach, Thomas M., und Craig S. Edelbrock. Behavioral Problems and Competencies Reported by Parents of Normal and Disturbed Children Aged Four Through Sixteen. 1981.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.