Barrett, R. P. (1986). Severe behavior disorders in the mentally retarded: Nondrug approaches to treatment. Plenum Publ.
Chicago-Zitierstil (17. Ausg.)Barrett, Rowland P. Severe Behavior Disorders in the Mentally Retarded: Nondrug Approaches to Treatment. New York [u.a.]: Plenum Publ, 1986.
MLA-Zitierstil (8. Ausg.)Barrett, Rowland P. Severe Behavior Disorders in the Mentally Retarded: Nondrug Approaches to Treatment. Plenum Publ, 1986.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.