Kelley, T. L. (2008). Art of Innovation. Profile Books Ltd.
Chicago Style aipamenaKelley, Tom; Littman. Art of Innovation. London: Profile Books Ltd, 2008.
MLA aipamenaKelley, Tom; Littman. Art of Innovation. Profile Books Ltd, 2008.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.