APA-referens (7:e uppl.)

Sheldon, G. W. Major concepts in politics and political theory. Lang.

Chicago-referens (17:e uppl.)

Sheldon, Garrett Ward. Major Concepts in Politics and Political Theory. New York [u.a.]: Lang.

MLA-referens (8:e uppl.)

Sheldon, Garrett Ward. Major Concepts in Politics and Political Theory. Lang.