Marakas, G. M. (1999). Decision support systems in the twenty-first century. Prentice Hall.
Lua i Stíl Chicago (17ú heag.)Marakas, George M. Decision Support Systems in the Twenty-first Century. Upper Saddle River, N.J.: Prentice Hall, 1999.
Lua MLA (8ú heag.)Marakas, George M. Decision Support Systems in the Twenty-first Century. Prentice Hall, 1999.
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