Quinn, P. J. (1951). Thirty years of communism! Catholic Truth Society of Ireland.
Chicago Style aipamenaQuinn, P. J. Thirty Years of Communism! Dublin: Catholic Truth Society of Ireland, 1951.
MLA aipamenaQuinn, P. J. Thirty Years of Communism! Catholic Truth Society of Ireland, 1951.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.