Withers, G. (1991). From marks to profiles and "records of achievement". Geelong, Vic.: Deakin University : distributed by Deakin University Press.
Dyfyniad Arddull ChicagoWithers, Graeme. From Marks to Profiles and "records of Achievement". Geelong, Vic.: Deakin University : distributed by Deakin University Press, 1991.
Dyfyniad MLAWithers, Graeme. From Marks to Profiles and "records of Achievement". Geelong, Vic.: Deakin University : distributed by Deakin University Press, 1991.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.