(2001). Journal of Acountancy. AICPA.
Dyfyniad Arddull ChicagoJournal of Acountancy. AICPA, 2001.
Dyfyniad MLAJournal of Acountancy. AICPA, 2001.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.
(2001). Journal of Acountancy. AICPA.
Dyfyniad Arddull ChicagoJournal of Acountancy. AICPA, 2001.
Dyfyniad MLAJournal of Acountancy. AICPA, 2001.