Huisman, M., Araya, R., Lawlor, D. A., Ormel, J., Verhulst, F. C., & Oldehinkel, A. J. (2010). Cognitive ability, parental socioeconomic position and internalising and externalising problems in adolescence: Findings from two European cohort studies. Springer Netherlands.

Huisman, Martijn, Ricardo Araya, Debbie A. Lawlor, Johan Ormel, Frank C. Verhulst, và Albertine J. Oldehinkel. Cognitive Ability, Parental Socioeconomic Position and Internalising and Externalising Problems in Adolescence: Findings From Two European Cohort Studies. Springer Netherlands, 2010.

Huisman, Martijn, et al. Cognitive Ability, Parental Socioeconomic Position and Internalising and Externalising Problems in Adolescence: Findings From Two European Cohort Studies. Springer Netherlands, 2010.