Booher Dianna. (2007). The Voice of Authority: 10 Communication Strategies Every Leader Needs to Know. New York: McGraw -Hill.
Styl cytowania ChicagoBooher Dianna. The Voice of Authority: 10 Communication Strategies Every Leader Needs to Know. New York: McGraw -Hill, 2007.
Styl cytowania MLABooher Dianna. The Voice of Authority: 10 Communication Strategies Every Leader Needs to Know. New York: McGraw -Hill, 2007.
Uwaga: Te cytaty mogą odróżniać się od wytycznej twojego fakultetu..