Barghoorn, F. C. (1966). Politics in the USSR. Little Brown.
Lua i Stíl Chicago (17ú heag.)Barghoorn, Frederick Charles. Politics in the USSR. Boston: Little Brown, 1966.
Lua MLA (8ú heag.)Barghoorn, Frederick Charles. Politics in the USSR. Little Brown, 1966.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.