Barrett Derm. (1997). Paradox Process: Creative business solutions, where you least expect to find them. American Management Assciation.
Chicago-referens (17:e uppl.)Barrett Derm. Paradox Process: Creative Business Solutions, Where You Least Expect to Find Them. NewYork: American Management Assciation, 1997.
MLA-referens (9:e uppl.)Barrett Derm. Paradox Process: Creative Business Solutions, Where You Least Expect to Find Them. American Management Assciation, 1997.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.