Ray, J. L. (1992). Global politics (5th ed.). Houghton Mifflin.
Lua i Stíl Chicago (17ú heag.)Ray, James Lee. Global Politics. 5th ed. Boston: Houghton Mifflin, 1992.
Lua MLA (8ú heag.)Ray, James Lee. Global Politics. 5th ed. Houghton Mifflin, 1992.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.