Cioffi, J. (2011). 6 habits of highly successful managers: = Six habits of highly successful managers. Career Press.
Chicago-Zitierstil (17. Ausg.)Cioffi, John. 6 Habits of Highly Successful Managers: = Six Habits of Highly Successful Managers. Pompton Plains, N.J: Career Press, 2011.
MLA-Zitierstil (9. Ausg.)Cioffi, John. 6 Habits of Highly Successful Managers: = Six Habits of Highly Successful Managers. Career Press, 2011.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.