Davidson Bill. (2003). Breakthrough: How Great Companies Set Outrageous Objectives and Achieve Them. American: Wiley.
Chicago-tyylinen lähdeviittausDavidson Bill. Breakthrough: How Great Companies Set Outrageous Objectives and Achieve Them. American: Wiley, 2003.
MLA-viiteDavidson Bill. Breakthrough: How Great Companies Set Outrageous Objectives and Achieve Them. American: Wiley, 2003.
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