Rothenberg, Lawrence S.
Linking citizens to government: interest group politics at common cause
Cambridge University Press, 1992
 Buku Teks
Alexander, Robert M., 1972-
The classics of interest group behavior
Thomson/Wadsworth, 2006
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Peterson, Christian Philip
Globalizing human rights : private citizens, the Soviet Union, and the West
Routledge, 2012
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Matthews, Donald R.
U.S.Senators and their world/ Donald R. Matthew
The University of North Carolina Press, 1960
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Mahood, H. R.
Pressure groups in American politics/ H. R. Mahood.
Scribner, 1967
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