Lessem, R. (1997). Hand book of total quality learning. Beacon Press.
Dyfyniad Arddull ChicagoLessem, Ronnie. Hand Book of Total Quality Learning. New Delhi: Beacon Press, 1997.
Dyfyniad MLALessem, Ronnie. Hand Book of Total Quality Learning. Beacon Press, 1997.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.