Yoffie, D. B. (1997). Competing in the Age of Digital Convergence. Harvard Business School Press.
Dyfyniad Arddull ChicagoYoffie, David B. Competing in the Age of Digital Convergence. Boston: Harvard Business School Press, 1997.
Dyfyniad MLAYoffie, David B. Competing in the Age of Digital Convergence. Harvard Business School Press, 1997.
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