Gardner, F. V. (1955). Profit management and control. McGraw Hill.
Dyfyniad Arddull ChicagoGardner, Fred V. Profit Management and Control. New York: McGraw Hill, 1955.
Dyfyniad MLAGardner, Fred V. Profit Management and Control. McGraw Hill, 1955.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.