Gillespie, C. (1965). standard and direct costing. Prentice hall of India Pvt. Ltd.
Dyfyniad Arddull ChicagoGillespie, Cecil. Standard and Direct Costing. New Delhi: Prentice hall of India Pvt. Ltd, 1965.
Dyfyniad MLAGillespie, Cecil. Standard and Direct Costing. Prentice hall of India Pvt. Ltd, 1965.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.