1. American Occupational Therapy Association 2002 http://www.aota.org/Documentvault/Backpack/44388.aspx
2. American Occupational Therapy Association 2008 http://www.promoteot.org/AI_CommunityToolkit.html
3. American Occupational Therapy Association 2009a http://www.aota.org/DocumentVault/Backpack/44404.aspx
4. American Occupational Therapy Association 2009b http://www.aota.org/Practitioner/Awareness/School-Backpack-Awareness/Backpack08.aspx
5. Now it's 2000: Trends in doing and being in the new millennium;Bittman;Journal of Occupational Science,2000