Kraft, Joseph
Profiles in power: a Washington insight
New American Library, 1966
 Buku Teks SO
Dolbeare, Kenneth M.
American politics : policies, power, and change
D.C. Heath, 1985
 Buku Teks SO
Cater, Douglass
Power in Washington / Douglass Cater
Vintage Books, 1964
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Fritschler, A Lee
How Washington works : the executive's guid to government / A Lee Fritschler and Bernard H. Ross
Mass Ballinger Publishing , 1987
 Buku Teks SO
Dictionary of American politics / edited by Edward Conrad Smith and Arnold John Zurcher.
Barnes &​ Noble, 1955
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