Association of the Sons of Poland & Polish Union in the USA. (1971). Nowy świat ([New York ed.].). Polish Daily Nowy Swiat.
Dyfyniad Arddull ChicagoAssociation of the Sons of Poland and Polish Union in the USA. Nowy świat. [New York ed.]. New York, N.Y.: Polish Daily Nowy Swiat, 1971.
Dyfyniad MLAAssociation of the Sons of Poland and Polish Union in the USA. Nowy świat. [New York ed.]. Polish Daily Nowy Swiat, 1971.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.