1. Abbey National Community Partnership. From Barriers to Bridges: A Guide for Volunteer-Involving Organizations. N.p., n.d.
2. and others. Driving Change: The State of the Nonprofit Sector in Los Angeles 2005. Los Angeles: UCLA School of Public Affairs, 2005.
3. Canadian Centre for Philanthropy. “Motivations and Barriers to Volunteering,” 2000 National Survey of Giving, Volunteering, and Participating. Toronto: Canadian Centre for Philanthropy, 2004.
4. Gosport Volunteer Centre. “Barriers to Volunteering.”
5. Retrieved Aug. 24, 2004, fromwww.gosportvb.force9.co.uk/barriers.html.