Behar, H., & Goldstein, J. (2007). It's not about the coffee: Leadership principles from a life at Starbucks. Portfolio.
Chicago Style (17. basım) AtıfBehar, Howard, ve Janet Goldstein. It's Not About the Coffee: Leadership Principles from a Life at Starbucks. New York: Portfolio, 2007.
MLA (9th ed.) AtıfBehar, Howard, ve Janet Goldstein. It's Not About the Coffee: Leadership Principles from a Life at Starbucks. Portfolio, 2007.
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