Bittel, L. R. (1991). Right on time: The complete guide for time-pressured managers. McGraw-Hill.
Chicago Style (17. basım) AtıfBittel, Lester R. Right on Time: The Complete Guide for Time-pressured Managers. New York: McGraw-Hill, 1991.
MLA (9th ed.) AtıfBittel, Lester R. Right on Time: The Complete Guide for Time-pressured Managers. McGraw-Hill, 1991.
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