APA-ийн эшлэл(7 дахь хэвлэлт)

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

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

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

MLA -ийн эшлэл (9 дэх хэвлэлт)

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