LUCAS, H. C. (1982). Informations Systems Concepts For Management Henry C. Lucas. McGraw-Hill.
Lua i Stíl Chicago (17ú heag.)LUCAS, Henry C. Informations Systems Concepts For Management Henry C. Lucas. McGraw-Hill, 1982.
Lua MLA (8ú heag.)LUCAS, Henry C. Informations Systems Concepts For Management Henry C. Lucas. McGraw-Hill, 1982.
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