Billsberry, J. (1996). The effective manager: Perspectives and illustrations. Sage Publications in association with the Open University.
Citace podle Chicago (17th ed.)Billsberry, Jon. The Effective Manager: Perspectives and Illustrations. London: Sage Publications in association with the Open University, 1996.
Citace podle MLA (9th ed.)Billsberry, Jon. The Effective Manager: Perspectives and Illustrations. Sage Publications in association with the Open University, 1996.
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