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Dyfyniad Arddull ChicagoDavidson, Sidney...[et al.]. Financial Accounting/3e. 3rd ed. Chicago: Dryden press, 1982.
Dyfyniad MLADavidson, Sidney...[et al.]. Financial Accounting/3e. 3rd ed. Dryden press, 1982.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.