Useem Michael. (1998). Leadership moment: Nine True of Triumph and Disaster and Their Lessons for Us All. Three Rivers Press , New York.
Παραπομπή σε μορφή Chicago (17η εκδ.)Useem Michael. Leadership Moment: Nine True of Triumph and Disaster and Their Lessons for Us All. NewYork: Three Rivers Press , New York, 1998.
Παραπομπή σε μορφή MLA (9th εκδ.)Useem Michael. Leadership Moment: Nine True of Triumph and Disaster and Their Lessons for Us All. Three Rivers Press , New York, 1998.
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