Dyfyniad APA

Dale, B., & Plunkett, J. (1999). Quality costing (3rd ed.). Gower.

Dyfyniad Arddull Chicago

Dale, Barrie, and Jim Plunkett. Quality Costing. 3rd ed. Hampshire, England Brookfield, Vt: Gower, 1999.

Dyfyniad MLA

Dale, Barrie, and Jim Plunkett. Quality Costing. 3rd ed. Gower, 1999.

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