Não informado. Studies on the Soviet Union. Institute for the Study of the USSR.
Lua i Stíl Chicago (17ú heag.)Não informado. Studies on the Soviet Union. Munchen, Alemanha: Institute for the Study of the USSR.
Lua MLA (8ú heag.)Não informado. Studies on the Soviet Union. Institute for the Study of the USSR.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.