Moore, M. G. (1996). Distance education: A systems view. Belmont, California: Wadsworth.
Dyfyniad Arddull ChicagoMoore, Michael G. Distance Education: A Systems View. Belmont, California: Wadsworth, 1996.
Dyfyniad MLAMoore, Michael G. Distance Education: A Systems View. Belmont, California: Wadsworth, 1996.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.