O`Connor, Robert E.
Politics and Structure: essentials of American National Government
Brooks/Cole, 1982
Buku Teks SO
Good, Yohn M
To institute a new government: the political aims of the american revolution/ John M. Good
Heath, 1970
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Ripley, Randall B.
Congress, the bereaucracy and public policy
The Dorsey Press, 1980
Buku Teks
Woll, Peter
American goverment : readings and cases
Longman , 2001
Buku Teks
Woll, Peter
American government: readings and cases
Little, Brown, 1965
Buku Teks SO