Parker, M. (2008). Who said so?: The questions revolutionary businesses ask that make them successful. Hoboken, N.J: Wiley.
Chicago-tyylinen lähdeviittausParker, Michael. Who Said So?: The Questions Revolutionary Businesses Ask That Make Them Successful. Hoboken, N.J: Wiley, 2008.
MLA-viiteParker, Michael. Who Said So?: The Questions Revolutionary Businesses Ask That Make Them Successful. Hoboken, N.J: Wiley, 2008.
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