McKenna, R. (1999). Real time: Preparing for the age of the never satisfied customer. Harvard Business School Press.
Lua i Stíl Chicago (17ú heag.)McKenna, Regis. Real Time: Preparing for the Age of the Never Satisfied Customer. Boston, Mass: Harvard Business School Press, 1999.
Lua MLA (9ú heag.)McKenna, Regis. Real Time: Preparing for the Age of the Never Satisfied Customer. Harvard Business School Press, 1999.
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