Poland & Gebethner, S. (1984). The Reform of electoral system in Poland and the new Election to People's Councils Act of February 13, 1984. Wydwnictwo Spółdzielcze.
Dyfyniad Arddull ChicagoPoland and Stanisław Gebethner. The Reform of Electoral System in Poland and the New Election to People's Councils Act of February 13, 1984. Warsaw: Wydwnictwo Spółdzielcze, 1984.
Dyfyniad MLAPoland and Stanisław Gebethner. The Reform of Electoral System in Poland and the New Election to People's Councils Act of February 13, 1984. Wydwnictwo Spółdzielcze, 1984.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.