Dyfyniad APA

Wheldon, H. J., & Brett J.E Tarlton A.J. (1947). Costing Simplified (2nd ed.). Macdonald & Evans.

Dyfyniad Arddull Chicago

Wheldon, Harold James, and Brett J.E Tarlton A.J. Costing Simplified. 2nd ed. London: Macdonald & Evans, 1947.

Dyfyniad MLA

Wheldon, Harold James, and Brett J.E Tarlton A.J. Costing Simplified. 2nd ed. Macdonald & Evans, 1947.

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