Heywood Andrew. (2004). Political Theory (3rd.). Palgrave Mcmillan.
Čikaški stil citiranja (17. izdanje)Heywood Andrew. Political Theory. 3rd. New York: Palgrave Mcmillan, 2004.
MLA način citiranja (9. izdanje)Heywood Andrew. Political Theory. 3rd. Palgrave Mcmillan, 2004.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.