Heywood, A. (2016). Key Concepts in Politics and International Relations (2nd.). Palgrave.
Chicago-čujuhus (17. p.)Heywood, Andrew. Key Concepts in Politics and International Relations. 2nd. London: Palgrave, 2016.
MLA-čujuhus (9. p.)Heywood, Andrew. Key Concepts in Politics and International Relations. 2nd. Palgrave, 2016.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.