Kressel, H. &. W. (2015). If you really want to change the world. Harward Business Review Press.
Chicago Style aipamenaKressel, Henry & Winarsky. If You Really Want to Change the World. Boston: Harward Business Review Press, 2015.
MLA aipamenaKressel, Henry & Winarsky. If You Really Want to Change the World. Harward Business Review Press, 2015.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.