Calabrese, R. L. (2000). Leadership through excellence: Professional growth for school leaders. Boston: Allyn and Bacon.
Dyfyniad Arddull ChicagoCalabrese, Raymond L. Leadership Through Excellence: Professional Growth for School Leaders. Boston: Allyn and Bacon, 2000.
Dyfyniad MLACalabrese, Raymond L. Leadership Through Excellence: Professional Growth for School Leaders. Boston: Allyn and Bacon, 2000.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.