APA-viite (7. p.)
Powell, A. (2003). Taking responsibility. Good practice guidelines for services - adults with asperger syndrome. [s.n.].
Chicago-viite (17. p.)
Powell, A. Taking Responsibility. Good Practice Guidelines for Services - Adults with Asperger Syndrome. Londres: [s.n.], 2003.
MLA-viite (9. p.)
Powell, A. Taking Responsibility. Good Practice Guidelines for Services - Adults with Asperger Syndrome. [s.n.], 2003.
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