Ruth Strang. (1964). Diagnostic teaching of reading. New York: McGraw-Hill.
Dyfyniad Arddull ChicagoRuth Strang. Diagnostic Teaching of Reading. New York: McGraw-Hill, 1964.
Dyfyniad MLARuth Strang. Diagnostic Teaching of Reading. New York: McGraw-Hill, 1964.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.