HARVARD BUSINESS SCHOOL PRESS. (2005). ENTREPRENEUR'S TOOL KIT. HARVARD BUSINESS SCHOOL PRESS.
Chicago Style aipamenaHARVARD BUSINESS SCHOOL PRESS. ENTREPRENEUR'S TOOL KIT. BOSTON: HARVARD BUSINESS SCHOOL PRESS, 2005.
MLA aipamenaHARVARD BUSINESS SCHOOL PRESS. ENTREPRENEUR'S TOOL KIT. HARVARD BUSINESS SCHOOL PRESS, 2005.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.