Lewis, J., Jr. (1983). Long Range and Short Range Planning for Educational Administrartors. Allyn and Bacon.
Dyfyniad Arddull ChicagoLewis, James, Jr. Long Range and Short Range Planning for Educational Administrartors. Boston: Allyn and Bacon, 1983.
Dyfyniad MLALewis, James, Jr. Long Range and Short Range Planning for Educational Administrartors. Allyn and Bacon, 1983.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.