Box-Steffensmeier, J. M., & Schier, S. E. (2013). The American elections of 2012. New York: Routledge.
Citación estilo ChicagoBox-Steffensmeier, Janet M., and Steven E. Schier. The American Elections of 2012. New York: Routledge, 2013.
Cita MLABox-Steffensmeier, Janet M., and Steven E. Schier. The American Elections of 2012. New York: Routledge, 2013.
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