Eschholz, P. A., Rosa, A. F., & Clark, V. P. (1986). Language awareness (4th ed.). St. Martin's Press.
Dyfyniad Arddull ChicagoEschholz, Paul A., Alfred F. Rosa, and Virginia P. Clark. Language Awareness. 4th ed. New York: St. Martin's Press, 1986.
Dyfyniad MLAEschholz, Paul A., et al. Language Awareness. 4th ed. St. Martin's Press, 1986.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.