Billsberry, J. (1996). The effective manager: Perspectives and illustrations. Sage Publications in association with the Open University.
Cita Chicago (17th ed.)Billsberry, Jon. The Effective Manager: Perspectives and Illustrations. London: Sage Publications in association with the Open University, 1996.
Cita MLA (9th ed.)Billsberry, Jon. The Effective Manager: Perspectives and Illustrations. Sage Publications in association with the Open University, 1996.
Atenció: Aquestes cites poden no estar 100% correctes.