Παραπομπή APA

Keefe, J. A. (2003). Improv yourself: Business spontaneity at the speed of thought. New York: John Wiley & Sons, Inc..

Παραπομπή Chicago Style

Keefe, Joseph A. Improv Yourself: Business Spontaneity At the Speed of Thought. New York: John Wiley & Sons, Inc., 2003.

Παραπομπή MLA

Keefe, Joseph A. Improv Yourself: Business Spontaneity At the Speed of Thought. New York: John Wiley & Sons, Inc., 2003.

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