La Frenais, M. (1971). Language stimulus with retarded children. National Society for Mentally Handicapped Children.
Chicago-Zitierstil (17. Ausg.)La Frenais, Mary. Language Stimulus with Retarded Children. London: National Society for Mentally Handicapped Children, 1971.
MLA-Zitierstil (9. Ausg.)La Frenais, Mary. Language Stimulus with Retarded Children. National Society for Mentally Handicapped Children, 1971.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.