Hawley,Gloria. (1978). How to teach the mentally retarded: There's a way to reach them. Victor Books.
Chicago-referens (17:e uppl.)Hawley,Gloria. How to Teach the Mentally Retarded: There's a Way to Reach Them. Illinois: Victor Books, 1978.
MLA-referens (9:e uppl.)Hawley,Gloria. How to Teach the Mentally Retarded: There's a Way to Reach Them. Victor Books, 1978.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.