Kollman, K. (1998). Outside lobbying: Public opinion and interest group strategies. Princeton University Press.
Čikaški stil citiranja (17. izdanje)Kollman, Ken. Outside Lobbying: Public Opinion and Interest Group Strategies. Princeton, N.J.: Princeton University Press, 1998.
MLA način citiranja (8. izdanje)Kollman, Ken. Outside Lobbying: Public Opinion and Interest Group Strategies. Princeton University Press, 1998.
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