Não informado. Problems of the Peoples of the USSR. League for the Libertation of the Peoples of the USSR.
Chicago-referens (17:e uppl.)Não informado. Problems of the Peoples of the USSR. Munich, Alemanha: League for the Libertation of the Peoples of the USSR.
MLA-referens (8:e uppl.)Não informado. Problems of the Peoples of the USSR. League for the Libertation of the Peoples of the USSR.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.