Dyfyniad APA

Hayes,Rick Stephan. (1979). Credit and collections: A practical guide. CBI Publishing.

Dyfyniad Arddull Chicago

Hayes,Rick Stephan. Credit and Collections: A Practical Guide. Boston: CBI Publishing, 1979.

Dyfyniad MLA

Hayes,Rick Stephan. Credit and Collections: A Practical Guide. CBI Publishing, 1979.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.