Weil, U. (1982). Information systems in the 80's: Products, markets, and vendors. Prentice-Hall.
Citace podle Chicago (17th ed.)Weil, Ulric. Information Systems in the 80's: Products, Markets, and Vendors. Englewood Cliffs, N.J.: Prentice-Hall, 1982.
Citace podle MLA (8th ed.)Weil, Ulric. Information Systems in the 80's: Products, Markets, and Vendors. Prentice-Hall, 1982.
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