APA-referens (7:e uppl.)
Gais, T. (1996). Improper influence: Campaign finance law, political interest groups, and the problem of equality. University of Michigan Press.
Chicago-referens (17:e uppl.)
Gais, Thomas. Improper Influence: Campaign Finance Law, Political Interest Groups, and the Problem of Equality. Ann Arbor: University of Michigan Press, 1996.
MLA-referens (9:e uppl.)
Gais, Thomas. Improper Influence: Campaign Finance Law, Political Interest Groups, and the Problem of Equality. University of Michigan Press, 1996.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.