APA (7th ed.) Zitazioa
Schmetterer, B. (2003). Leap: A revolution in creative business strategy. Wiley.
Chicago Style (17th ed.) Zitazioa
Schmetterer, Bob. Leap: A Revolution in Creative Business Strategy. Hoboken, N.J. : New Jersey.: Wiley, 2003.
MLA (9th ed.) Zitazioa
Schmetterer, Bob. Leap: A Revolution in Creative Business Strategy. Wiley, 2003.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.