Smith, S. S., & Springer, M. J. (2009). Reforming the Presidential nomination process. Brookings Institution Press.
Παραπομπή Chicago StyleSmith, Steven S., και Melanie J. Springer. Reforming the Presidential Nomination Process. Brookings Institution Press, 2009.
Παραπομπή MLASmith, Steven S., και Melanie J. Springer. Reforming the Presidential Nomination Process. Brookings Institution Press, 2009.
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