Nordquist, R. (1991). Passages: A beginning writers guide (2nd.ed.). St.Martin's.
Dyfyniad Arddull ChicagoNordquist, Richard. Passages: A Beginning Writers Guide. 2nd.ed. New York: St.Martin's, 1991.
Dyfyniad MLANordquist, Richard. Passages: A Beginning Writers Guide. 2nd.ed. St.Martin's, 1991.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.