Harris, O. J. (1976). Managing people at work. Wiley.
Dyfyniad Arddull ChicagoHarris, O Jeff. Managing People at Work. New York: Wiley, 1976.
Dyfyniad MLAHarris, O Jeff. Managing People at Work. Wiley, 1976.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.