Coffey, E. (2003). 10 things that keep CEO's awake: And how to put them to bed. McGraw-Hill.
Chicago-referens (17:e uppl.)Coffey, Elizabeth. 10 Things That Keep CEO's Awake: And How to Put Them to Bed. London: McGraw-Hill, 2003.
MLA-referens (8:e uppl.)Coffey, Elizabeth. 10 Things That Keep CEO's Awake: And How to Put Them to Bed. McGraw-Hill, 2003.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.