Zitat
M. Y. Ivanova, T. M. Achenbach, L. A. Rescorla, N. Bilenberg, G. Bjarnadóttir, S. Denner, P. Dias, A. Dobrean, M. Doepfner, E. M. Esmaeili, A. Frigerio, H. S. Gudmundsson, R. Jusiene, S. Kristensen, and F. Lecannelier, “Syndromes of preschool psychopathology reported by teachers and caregivers in 14 societies using the Caregiver-Teacher Report Form (C-TRF),” Journal of early childhood and infant psychology, pp. 87–103, 2011.