Dyfyniad APA

Owler, L. (1962). Wheldon's costing simplified/3e (3rd ed.). Macdonald and Evans.

Dyfyniad Arddull Chicago

Owler, L.W.J. Wheldon's Costing Simplified/3e. 3rd ed. London: Macdonald and Evans, 1962.

Dyfyniad MLA

Owler, L.W.J. Wheldon's Costing Simplified/3e. 3rd ed. Macdonald and Evans, 1962.

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