Carr, E. H. (1984). The Comintern and the spanish civil war. New York: Pantheon Books.
Lua i Stíl Chicago (17ú heag.)Carr, Edward Hallett. The Comintern and the Spanish Civil War. New York: Pantheon Books, 1984.
Lua MLA (8ú heag.)Carr, Edward Hallett. The Comintern and the Spanish Civil War. New York: Pantheon Books, 1984.
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