Παραπομπή σε μορφή APA (7η εκδ.)
NIGG, J., & ET AL. (1999). A TWO-YEAR LONGITUDINAL STUDY OF NEUROPSYCHOLOGICAL AND COGNITIVE PERFORMANCE IN RELATION TO BEHAVIORAL PROBLEMS AND COMPETENCIES IN ELEMENTARY SCHOOL CHILDREN.
Παραπομπή σε μορφή Chicago (17η εκδ.)
NIGG, J.T, και ET AL. A TWO-YEAR LONGITUDINAL STUDY OF NEUROPSYCHOLOGICAL AND COGNITIVE PERFORMANCE IN RELATION TO BEHAVIORAL PROBLEMS AND COMPETENCIES IN ELEMENTARY SCHOOL CHILDREN. 1999.
Παραπομπή σε μορφή MLA (9th εκδ.)
NIGG, J.T, και ET AL. A TWO-YEAR LONGITUDINAL STUDY OF NEUROPSYCHOLOGICAL AND COGNITIVE PERFORMANCE IN RELATION TO BEHAVIORAL PROBLEMS AND COMPETENCIES IN ELEMENTARY SCHOOL CHILDREN. 1999.
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