Farrell, M. (2009). Foundations of special education: An introduction. Wiley-Blackwell.
Lua i Stíl Chicago (17ú heag.)Farrell, Michael. Foundations of Special Education: An Introduction. Chichester, UK ; Malden, MA: Wiley-Blackwell, 2009.
Lua MLA (9ú heag.)Farrell, Michael. Foundations of Special Education: An Introduction. Wiley-Blackwell, 2009.
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