Webber, R. A. (1981). To be a manager: Essentials of management. Irwin.
Cita Chicago (17th ed.)Webber, Ross A. To Be a Manager: Essentials of Management. Homewood, Ill: Irwin, 1981.
Cita MLA (9th ed.)Webber, Ross A. To Be a Manager: Essentials of Management. Irwin, 1981.
Atenció: Aquestes cites poden no estar 100% correctes.