Posadas, J. (1978). The unification of the world communist movement, and the return to marxism in the Soviet Union. Revolutionary Workers Party (Trotskyist).
Lua i Stíl Chicago (17ú heag.)Posadas, J. The Unification of the World Communist Movement, and the Return to Marxism in the Soviet Union. London: Revolutionary Workers Party (Trotskyist), 1978.
Lua MLA (8ú heag.)Posadas, J. The Unification of the World Communist Movement, and the Return to Marxism in the Soviet Union. Revolutionary Workers Party (Trotskyist), 1978.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.