5Samuel J. Eldersveld and Hanes Walton, Jr. Political Parties in American Society, second edition, Boston : Bedford/St.Martin' s, 2000, pp. 197 - 198. 被引量:1
6Thomas E. Mann, "The U.S. Campaign Finance System Under Strain", in Setting National Priorities : The 2000 Election and Beyond, Brookings Press, 1999. 被引量:1