National Writing Centers Association (U.S.) & International Writing Centers Association. (1980). The Writing center journal. [publisher not identified].
Dyfyniad Arddull ChicagoNational Writing Centers Association (U.S.) and International Writing Centers Association. The Writing Center Journal. Albany, N.Y.: [publisher not identified], 1980.
Dyfyniad MLANational Writing Centers Association (U.S.) and International Writing Centers Association. The Writing Center Journal. [publisher not identified], 1980.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.