Dyfyniad APA

Drury, C. (1998). Costing: An introduction (4th ed.). London: Boston: International Thomson.

Dyfyniad Arddull Chicago

Drury, Colin. Costing: An Introduction. 4th ed. London: Boston: International Thomson, 1998.

Dyfyniad MLA

Drury, Colin. Costing: An Introduction. 4th ed. London: Boston: International Thomson, 1998.

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