Hicks, J. O. (1990). Information Systems in Business: An Introduction (2nd Ed.). West Publishimg Company.
Lua i Stíl Chicago (17ú heag.)Hicks, James O. Information Systems in Business: An Introduction. 2nd Ed. Saint Paul: West Publishimg Company, 1990.
Lua MLA (9ú heag.)Hicks, James O. Information Systems in Business: An Introduction. 2nd Ed. West Publishimg Company, 1990.
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