Não informado. (1964). Soviet Studies. National Association for Soviet and East European Studies.
Lua i Stíl Chicago (17ú heag.)Não informado. Soviet Studies. Glasgow, Inglaterra: National Association for Soviet and East European Studies, 1964.
Lua MLA (8ú heag.)Não informado. Soviet Studies. National Association for Soviet and East European Studies, 1964.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.