Shapiro, C., & Varian, H. R. (1999). Information rules: A strategic guide to the network economy. Boston, Mass: Harvard Business School Press.
Trích dẫn kiểu ChicagoShapiro, Carl, và Hal R. Varian. Information Rules: A Strategic Guide to the Network Economy. Boston, Mass: Harvard Business School Press, 1999.
Deismireacht MLAShapiro, Carl, và Hal R. Varian. Information Rules: A Strategic Guide to the Network Economy. Boston, Mass: Harvard Business School Press, 1999.
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