Humble, J. W. (1967). Improving business results (Mc graw hill series in management.). McGraw Hill.
Dyfyniad Arddull ChicagoHumble, John W. Improving Business Results. Mc graw hill series in management. England: McGraw Hill, 1967.
Dyfyniad MLAHumble, John W. Improving Business Results. Mc graw hill series in management. McGraw Hill, 1967.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.