Humble, J. W. (1973). Improving the performance of the experienced manager. McGraw-Hill.
Chicago Style (17. basım) AtıfHumble, John William. Improving the Performance of the Experienced Manager. London, New York: McGraw-Hill, 1973.
MLA (8th ed.) AtıfHumble, John William. Improving the Performance of the Experienced Manager. McGraw-Hill, 1973.
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