Berkman, M. B., & Plutzer, E. (2005). Ten thousand democracies: Politics and public opinion in America's school districts. Georgetown University Press.
Chicago-viite (17. p.)Berkman, Michael B., ja Eric Plutzer. Ten Thousand Democracies: Politics and Public Opinion in America's School Districts. Washington, D.C.: Georgetown University Press, 2005.
MLA-viite (9. p.)Berkman, Michael B., ja Eric Plutzer. Ten Thousand Democracies: Politics and Public Opinion in America's School Districts. Georgetown University Press, 2005.
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