ebrary, Inc, Brady, H. E., & Johnston, R. (2006). Capturing campaign effects. University of Michigan Press.
Chicago-viite (17. p.)ebrary, Inc, Henry E. Brady, ja Richard Johnston. Capturing Campaign Effects. Ann Arbor: University of Michigan Press, 2006.
MLA-viite (9. p.)ebrary, Inc, et al. Capturing Campaign Effects. University of Michigan Press, 2006.
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