APA-viite (7. p.)
Cigler, A. J. (1986). Interest groups politics (2nd ed.). Congressional Quarterly.
Chicago-viite (17. p.)
Cigler, Allan J. Interest Groups Politics. 2nd ed. Washington: Congressional Quarterly, 1986.
MLA-viite (9. p.)
Cigler, Allan J. Interest Groups Politics. 2nd ed. Congressional Quarterly, 1986.
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