APA-čujuhus (7. p.)
Gais, T. (1996). Improper influence: Campaign finance law, political interest groups, and the problem of equality. University of Michigan Press.
Chicago-čujuhus (17. p.)
Gais, Thomas. Improper Influence: Campaign Finance Law, Political Interest Groups, and the Problem of Equality. Ann Arbor: University of Michigan Press, 1996.
MLA-čujuhus (9. p.)
Gais, Thomas. Improper Influence: Campaign Finance Law, Political Interest Groups, and the Problem of Equality. University of Michigan Press, 1996.
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