Kleppner, P. (1981). The evolution of American electoral systems. Greenwood Press.
Cita Chicago Style (17a ed.)Kleppner, Paul. The Evolution of American Electoral Systems. Westport [etc.]: Greenwood Press, 1981.
Cita MLA (9a ed.)Kleppner, Paul. The Evolution of American Electoral Systems. Greenwood Press, 1981.
Precaución: Estas citas no son 100% exactas.