1. Brack, U.B. 1977.Spracherwerb und imitationslernen. Weinheim, Basel: Beltz Verlag.
2. Brack, U.B. 1980. The role of reinforcement, mode of presentation, and type of sentence in the training of verbal imitation.In R.M. Knights and D.J. Bakker (eds.):Treatment of Hyperactive and Learning Disordered Children. Baltimore: Univ. Park Press.
3. Bryant, P.E. and L. Bradley 1980. Why children sometimes write words which they do not read.In U. Frith (ed.):Cognitive Processes in Spelling. London, New York: Academic Press.
4. Carbo, M.. 1978. Teaching reading with talking words.The Reading Teacher, 32:267–273.
5. Chomsky, C.. 1976. After decoding: what?Language Arts, 53:288–296.