Quinn, P. J. (1951). Thirty years of communism! Catholic Truth Society of Ireland.
Lua i Stíl Chicago (17ú heag.)Quinn, P. J. Thirty Years of Communism! Dublin: Catholic Truth Society of Ireland, 1951.
Lua MLA (8ú heag.)Quinn, P. J. Thirty Years of Communism! Catholic Truth Society of Ireland, 1951.
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