Dyfyniad APA

Windham, D. M. (1990). Improving the Efficiency of Educational Systems Project.: Indicators of educational effectiveness and efficiency. IEES.

Dyfyniad Arddull Chicago

Windham, Doughlas M. Improving the Efficiency of Educational Systems Project.: Indicators of Educational Effectiveness and Efficiency. Tallahassee, Fla., USA: IEES, 1990.

Dyfyniad MLA

Windham, Doughlas M. Improving the Efficiency of Educational Systems Project.: Indicators of Educational Effectiveness and Efficiency. IEES, 1990.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.