Kressel, H. &. W. (2015). If you really want to change the world. Harward Business Review Press.
Cita Chicago (17th ed.)Kressel, Henry & Winarsky. If You Really Want to Change the World. Boston: Harward Business Review Press, 2015.
Cita MLA (9th ed.)Kressel, Henry & Winarsky. If You Really Want to Change the World. Harward Business Review Press, 2015.
Atenció: Aquestes cites poden no estar 100% correctes.