Dyfyniad APA

Kohns, D. P. (1968). Credit and collections. South-Western Pub. Co.

Dyfyniad Arddull Chicago

Kohns, Donald P. Credit and Collections. Cincinnati: South-Western Pub. Co, 1968.

Dyfyniad MLA

Kohns, Donald P. Credit and Collections. South-Western Pub. Co, 1968.

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