Ford, G. T. (1973). Patterns of competition within the computer industry: A cluter analytic approach. Michigan: University Microfilms International.
Chicago-tyylinen lähdeviittausFord, Gay Thomas. Patterns of Competition Within the Computer Industry: A Cluter Analytic Approach. Michigan: University Microfilms International, 1973.
MLA-viiteFord, Gay Thomas. Patterns of Competition Within the Computer Industry: A Cluter Analytic Approach. Michigan: University Microfilms International, 1973.
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