Blake, R. R. (1989). Executive achievement: Making it at the top. McGraw-Hill.
Chicago Style (17. basım) AtıfBlake, Robert Rogers. Executive Achievement: Making It at the Top. New York: McGraw-Hill, 1989.
MLA (9th ed.) AtıfBlake, Robert Rogers. Executive Achievement: Making It at the Top. McGraw-Hill, 1989.
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