Webber, R. A. (1991). Becoming a courageous manager: Overcoming career problems of new managers. Prentice Hall.
Dyfyniad Arddull ChicagoWebber, Ross Arkell. Becoming a Courageous Manager: Overcoming Career Problems of New Managers. Englewood Cliffs, New Jersey: Prentice Hall, 1991.
Dyfyniad MLAWebber, Ross Arkell. Becoming a Courageous Manager: Overcoming Career Problems of New Managers. Prentice Hall, 1991.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.