APA-ийн эшлэл(7 дахь хэвлэлт)

ebrary, Inc, Simpson, D., & Miller, L. (2004). Unexpected gains: Psychotherapy with people with learning disabilities. Karnac Books.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

ebrary, Inc, David Simpson, ба Lynda Miller. Unexpected Gains: Psychotherapy with People with Learning Disabilities. London ; New York: Karnac Books, 2004.

MLA -ийн эшлэл (9 дэх хэвлэлт)

ebrary, Inc, et al. Unexpected Gains: Psychotherapy with People with Learning Disabilities. Karnac Books, 2004.