HARVARD BUSINESS SCHOOL PRESS. (2005). ENTREPRENEUR'S TOOL KIT. HARVARD BUSINESS SCHOOL PRESS.
Chicago-referens (17:e uppl.)HARVARD BUSINESS SCHOOL PRESS. ENTREPRENEUR'S TOOL KIT. BOSTON: HARVARD BUSINESS SCHOOL PRESS, 2005.
MLA-referens (9:e uppl.)HARVARD BUSINESS SCHOOL PRESS. ENTREPRENEUR'S TOOL KIT. HARVARD BUSINESS SCHOOL PRESS, 2005.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.