Παραπομπή APA

Heywood, A. (2005). Key concepts in politics. Palgrave Macmillan.

Παραπομπή Chicago Style

Heywood, Andrew. Key Concepts in Politics. New York: Palgrave Macmillan, 2005.

Παραπομπή MLA

Heywood, Andrew. Key Concepts in Politics. Palgrave Macmillan, 2005.