Stevens, M. (1978). Observe, then teach: An observational approach to teaching mentally handicapped children (2. ed.). Arnold.
Chicago-Zitierstil (17. Ausg.)Stevens, Mildred. Observe, Then Teach: An Observational Approach to Teaching Mentally Handicapped Children. 2. ed. London: Arnold, 1978.
MLA-Zitierstil (9. Ausg.)Stevens, Mildred. Observe, Then Teach: An Observational Approach to Teaching Mentally Handicapped Children. 2. ed. Arnold, 1978.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.