Coffey, E. (2003). 10 things that keep CEO's awake: And how to put them to bed. McGraw-Hill.
Chicago-viite (17. p.)Coffey, Elizabeth. 10 Things That Keep CEO's Awake: And How to Put Them to Bed. London: McGraw-Hill, 2003.
MLA-viite (8. p.)Coffey, Elizabeth. 10 Things That Keep CEO's Awake: And How to Put Them to Bed. McGraw-Hill, 2003.
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