Baston, A. (1968). Book - keeping exercises: Decimal currency edition. Cassel.
Dyfyniad Arddull ChicagoBaston, Andrew. Book - Keeping Exercises: Decimal Currency Edition. London: Cassel, 1968.
Dyfyniad MLABaston, Andrew. Book - Keeping Exercises: Decimal Currency Edition. Cassel, 1968.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.