Cita APA (7th ed.)

Heywood, A. (2016). Key Concepts in Politics and International Relations (2nd.). Palgrave.

Cita Chicago (17th ed.)

Heywood, Andrew. Key Concepts in Politics and International Relations. 2nd. London: Palgrave, 2016.

Cita MLA (9th ed.)

Heywood, Andrew. Key Concepts in Politics and International Relations. 2nd. Palgrave, 2016.