Carnoy, Martin
The state and political theory
Princeton University press, 1984
 Buku Teks SO
Boumol, William J.
Welfare economics and the theory of the state
Harvard University Press, 1952
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Laski, Harold J.
The state in theory and practice
George Allen and Unwin, 1935
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Kelsen, Hans
General theory of law and state
The Lawbook Exchange, 1993
 Buku Teks SO
Laski, Harold J.
State in theory and practice by
London George Allen & Unwin 1935
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