Finkelstein Sydney. (2003). Why Smart Executives Fail. Penguin Book.
Chicago Style aipamenaFinkelstein Sydney. Why Smart Executives Fail. New York: Penguin Book, 2003.
MLA aipamenaFinkelstein Sydney. Why Smart Executives Fail. Penguin Book, 2003.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.