Coffey, E. (2003). 10 things that keep CEO's awake: And how to put them to bed. McGraw-Hill.
Lua i Stíl Chicago (17ú heag.)Coffey, Elizabeth. 10 Things That Keep CEO's Awake: And How to Put Them to Bed. London: McGraw-Hill, 2003.
Lua MLA (8ú heag.)Coffey, Elizabeth. 10 Things That Keep CEO's Awake: And How to Put Them to Bed. McGraw-Hill, 2003.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.