Weigle, S. C. (2002). Assessing writing. Cambridge: Cambridge University Press.
Dyfyniad Arddull ChicagoWeigle, Sara Cushing. Assessing Writing. Cambridge: Cambridge University Press, 2002.
Dyfyniad MLAWeigle, Sara Cushing. Assessing Writing. Cambridge: Cambridge University Press, 2002.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.