Sabine, George H.
A history of political theory
Harcourt Brace College Publishers, 1973
 Buku Teks SO
Sabine, George H.
History of political theory
George G. Harrap, 1952
 Buku Teks SO
Sabine, George H.
History political theory
Dryden, 1973
 Buku Teks
Sabine, George H.
A History of political theory
Henry Holt, 1950
 Buku Teks
Sabine, George H.
A history of political theory
Henry Holt , 1955, 1956
 Buku Teks SO