Heywood, A. (2014). Global politics (Second edition.). Palgrave Macmillan.
Lua i Stíl Chicago (17ú heag.)Heywood, Andrew. Global Politics. Second edition. Houndmills, Basingstoke Hampshire, [England]: Palgrave Macmillan, 2014.
Lua MLA (9ú heag.)Heywood, Andrew. Global Politics. Second edition. Palgrave Macmillan, 2014.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.