Hawley,Gloria. (1978). How to teach the mentally retarded: There's a way to reach them. Victor Books.
Чикаго-гийн эшлэл (17 дахь хэвлэлт)Hawley,Gloria. How to Teach the Mentally Retarded: There's a Way to Reach Them. Illinois: Victor Books, 1978.
MLA -ийн эшлэл (9 дэх хэвлэлт)Hawley,Gloria. How to Teach the Mentally Retarded: There's a Way to Reach Them. Victor Books, 1978.
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