Keefe, J. A. (2003). Improv yourself: Business spontaneity at the speed of thought. New York: John Wiley & Sons, Inc.
استشهاد بنمط شيكاغوKeefe, Joseph A. Improv Yourself: Business Spontaneity At the Speed of Thought. New York: John Wiley & Sons, Inc, 2003.
MLA استشهادKeefe, Joseph A. Improv Yourself: Business Spontaneity At the Speed of Thought. New York: John Wiley & Sons, Inc, 2003.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.