Booher Dianna. (2007). The Voice of Authority: 10 Communication Strategies Every Leader Needs to Know. New York: McGraw -Hill.
Chicago ZitierstilBooher Dianna. The Voice of Authority: 10 Communication Strategies Every Leader Needs to Know. New York: McGraw -Hill, 2007.
MLA ZitierstilBooher Dianna. The Voice of Authority: 10 Communication Strategies Every Leader Needs to Know. New York: McGraw -Hill, 2007.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.