Ong, W. J. (1942). Province of Rhetoric and Poetic. Saint Louis University Libraries Digitization Center.
Dyfyniad Arddull ChicagoOng, Walter J. Province of Rhetoric and Poetic. Saint Louis University Libraries Digitization Center, 1942.
Dyfyniad MLAOng, Walter J. Province of Rhetoric and Poetic. Saint Louis University Libraries Digitization Center, 1942.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.