Dyfyniad APA
ebrary, Inc, & Bullivant, G. (2010). Credit management (6th ed.). Gower.
Dyfyniad Arddull Chicago
ebrary, Inc, and Glen Bullivant. Credit Management. 6th ed. Burlington, Vt.: Gower, 2010.
Dyfyniad MLA
ebrary, Inc, and Glen Bullivant. Credit Management. 6th ed. Gower, 2010.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.