Kressel, H. &. W. (2015). If you really want to change the world. Harward Business Review Press.
Citazione stile Chigago Style (17a edizione)Kressel, Henry & Winarsky. If You Really Want to Change the World. Boston: Harward Business Review Press, 2015.
Citatione MLA (9a ed.)Kressel, Henry & Winarsky. If You Really Want to Change the World. Harward Business Review Press, 2015.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.