Smith, D. A., & Tolbert, C. J. (2004). Educated by initiative: The effects of direct democracy on citizens and political organizations in the American states. University of Michigan Press.

Smith, Daniel A., and Caroline J. Tolbert. Educated by Initiative: The Effects of Direct Democracy on Citizens and Political Organizations in the American States. Ann Arbor: University of Michigan Press, 2004.

Smith, Daniel A., and Caroline J. Tolbert. Educated by Initiative: The Effects of Direct Democracy on Citizens and Political Organizations in the American States. University of Michigan Press, 2004.