Kotter, J. P., & Rathgeber, H. (2005). Our iceberg is melting: Changing and succeeding under any conditions (Primera edición.). St. Martin´s Press.

Kotter, John P., and Holger Rathgeber. Our Iceberg Is Melting: Changing and Succeeding Under Any Conditions. Primera edición. New York: St. Martin´s Press, 2005.

Kotter, John P., and Holger Rathgeber. Our Iceberg Is Melting: Changing and Succeeding Under Any Conditions. Primera edición. St. Martin´s Press, 2005.