Kelly, R. E. (1998). Star performer: Nine breakthrough strategies to help ordinary people become extraordinary perfomers at work. Orion Business Books.
Chicago-tyylinen lähdeviittausKelly, Robert E. Star Performer: Nine Breakthrough Strategies to Help Ordinary People Become Extraordinary Perfomers at Work. London: Orion Business Books, 1998.
MLA-viiteKelly, Robert E. Star Performer: Nine Breakthrough Strategies to Help Ordinary People Become Extraordinary Perfomers at Work. Orion Business Books, 1998.
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