Crosby, P. B. (1990). Leading, the art of becoming an executive. McGraw-Hill.
Chicago Style (17. basım) AtıfCrosby, Philip B. Leading, the Art of Becoming an Executive. New York: McGraw-Hill, 1990.
MLA (9th ed.) AtıfCrosby, Philip B. Leading, the Art of Becoming an Executive. McGraw-Hill, 1990.
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