Macedo, Stephen J., Yvette Alex-Assensoh, Jeffrey M. Berry, Michael Brintnall, David E. Campbell, Luis Ricardo Fraga, Archon Fung, et al. 2005. Democracy at Risk: How Political Choices Undermine Citizen Participation, and What We Can Do About It. Brookings Institute Press. Referenced from www.brookings.edu: Democracy at Risk: How Political Choices Undermine Citizen Participation, and What We Can Do About It.