Não informado. Problems of the Peoples of the USSR. League for the Libertation of the Peoples of the USSR.
Citação do estilo Chicago (17ª ed.)Não informado. Problems of the Peoples of the USSR. Munich, Alemanha: League for the Libertation of the Peoples of the USSR.
Citação MLA (8ª ed.)Não informado. Problems of the Peoples of the USSR. League for the Libertation of the Peoples of the USSR.
警告：这些引文格式不一定是100％准确.