Armstrong, M. (2006). A handbook of management techniques: A comprehensive guide to achieving managerial excellence and improved decision making (Rev. 3rd ed.). Kogan Page.
Lua i Stíl Chicago (17ú heag.)Armstrong, Michael. A Handbook of Management Techniques: A Comprehensive Guide to Achieving Managerial Excellence and Improved Decision Making. Rev. 3rd ed. London ; Philadelphia: Kogan Page, 2006.
Lua MLA (9ú heag.)Armstrong, Michael. A Handbook of Management Techniques: A Comprehensive Guide to Achieving Managerial Excellence and Improved Decision Making. Rev. 3rd ed. Kogan Page, 2006.
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