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Lua i Stíl Chicago (17ú heag.)Trotsky, Leon. Lessons of Spain. [S.I.: s.n., 1973.
Lua MLA (8ú heag.)Trotsky, Leon. Lessons of Spain. s.n., 1973.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.