APA aipamena

Collier, C. (2011). Seven steps to separating difference from disability. Corwin Press.

Chicago Style aipamena

Collier, Catherine. Seven Steps to Separating Difference from Disability. Thousand Oaks, California: Corwin Press, 2011.

MLA aipamena

Collier, Catherine. Seven Steps to Separating Difference from Disability. Corwin Press, 2011.

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