APA-ийн эшлэл(7 дахь хэвлэлт)
ebrary, Inc, Wright, D., & Digby, A. (1996). From idiocy to mental deficiency: Historical perspectives on people with learning disabilities. Routledge.
Чикаго-гийн эшлэл (17 дахь хэвлэлт)
ebrary, Inc, David Wright, ба Anne Digby. From Idiocy to Mental Deficiency: Historical Perspectives on People with Learning Disabilities. London ; New York: Routledge, 1996.
MLA -ийн эшлэл (9 дэх хэвлэлт)
ebrary, Inc, et al. From Idiocy to Mental Deficiency: Historical Perspectives on People with Learning Disabilities. Routledge, 1996.
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