Hawkins. (1971). macmillan studies in Economics capital investment appraisal. Macmillan.
Dyfyniad Arddull ChicagoHawkins. Macmillan Studies in Economics Capital Investment Appraisal. London: Macmillan, 1971.
Dyfyniad MLAHawkins. Macmillan Studies in Economics Capital Investment Appraisal. Macmillan, 1971.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.