Day, D. (1960). Talk at University of Santa Clara.
Dyfyniad Arddull ChicagoDay, Dorothy. Talk at University of Santa Clara. 1960.
Dyfyniad MLADay, Dorothy. Talk at University of Santa Clara. 1960.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.