Hagopain, Mark N.
Regimes, movements, and ideologies: a comparative introduction to political science
Longman, 1978
 Buku Teks SO
Contemporary political philosophy: an anthology
edited by Robert E. Goodin and Philip Pettit
Oxford: Blackwell, 1997,
 Buku Teks
Fowler, Robert Booth
Contemporary issues in political theory
Praeger, 1985
 Buku Teks SO
Sargent, Lyman Tower
Contemporary political ideologies
Wadsorth Thompson Learning, 2003
 Buku Teks SO
Abcarian, Gilbert, editor
Contemporary political system
Charles Seribner's, 1970
 Buku Teks