Masannat, George S.
The American political system: introductory readings
Charlies Scribuner's Sons, 1971
Buku Teks
Woll, Peter
American goverment : readings and cases
Longman , 2001
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Wilfred D. Webb
Outside Readings in American Government
Thomas Y. Crowell Company, 1961
Buku Teks
Woll, Peter
American government: readings and cases
Little, Brown, 1984
Buku Teks
Woll, Peter
American government: readings and cases
Little, Brown, 1965
Buku Teks