Weigle, S. C., Alderson, J. C., & Bachman, L. F. (2002). Assessing writing (1st pub.). Cambridge: Cambridge University.
Dyfyniad Arddull ChicagoWeigle, Sara Cushing, J. Charles Alderson, và Lyle F. Bachman. Assessing Writing. 1st pub. Cambridge: Cambridge University, 2002.
Dyfyniad MLAWeigle, Sara Cushing, J. Charles Alderson, và Lyle F. Bachman. Assessing Writing. 1st pub. Cambridge: Cambridge University, 2002.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.