(1987). Scientific studies in mild mental retardation: Empidemiology, origin and prevention ; proceedings of the 2nd European Symposium on Scientific Studies in Mental Retardation, Uppsala, Sweden, June 24 - 26, 1986. Almqvist & Wiksell.
Chicago-Zitierstil (17. Ausg.)Scientific Studies in Mild Mental Retardation: Empidemiology, Origin and Prevention ; Proceedings of the 2nd European Symposium on Scientific Studies in Mental Retardation, Uppsala, Sweden, June 24 - 26, 1986. Stockholm: Almqvist & Wiksell, 1987.
MLA-Zitierstil (9. Ausg.)Scientific Studies in Mild Mental Retardation: Empidemiology, Origin and Prevention ; Proceedings of the 2nd European Symposium on Scientific Studies in Mental Retardation, Uppsala, Sweden, June 24 - 26, 1986. Almqvist & Wiksell, 1987.