McGraw-Hill & Freemantle, D. (1995). 80 things you must do to be a great boss: How to focus on the fundamentals of managing people properly. McGraw-Hill.
Παραπομπή σε μορφή Chicago (17η εκδ.)McGraw-Hill και David Freemantle. 80 Things You Must Do to Be a Great Boss: How to Focus on the Fundamentals of Managing People Properly. London: McGraw-Hill, 1995.
Παραπομπή σε μορφή MLA (8th εκδ.)McGraw-Hill και David Freemantle. 80 Things You Must Do to Be a Great Boss: How to Focus on the Fundamentals of Managing People Properly. McGraw-Hill, 1995.
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