Thomas, R. M. (1955). Ways of teaching in elementary schools. Longmans.
Dyfyniad Arddull ChicagoThomas, Robert Murray. Ways of Teaching in Elementary Schools. New York: Longmans, 1955.
Dyfyniad MLAThomas, Robert Murray. Ways of Teaching in Elementary Schools. Longmans, 1955.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.