Robertson, D. (1985). A dictionary of modern politics. Europa.
Lua i Stíl Chicago (17ú heag.)Robertson, David. A Dictionary of Modern Politics. London: Europa, 1985.
Lua MLA (9ú heag.)Robertson, David. A Dictionary of Modern Politics. Europa, 1985.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.