Sargent, L. T. (2009). Contemporary political ideologies: A comparative analysis (14th ed.). Thomas/Wadsworth.
Chicago-referens (17:e uppl.)Sargent, Lyman Tower. Contemporary Political Ideologies: A Comparative Analysis. 14th ed. Belmont, CA: Thomas/Wadsworth, 2009.
MLA-referens (9:e uppl.)Sargent, Lyman Tower. Contemporary Political Ideologies: A Comparative Analysis. 14th ed. Thomas/Wadsworth, 2009.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.