BUCHANAN W. (1997). MASTERING GLOBAL INFORMATION SYSTEMS. MACMILLAN.
Lua i Stíl Chicago (17ú heag.)BUCHANAN W. MASTERING GLOBAL INFORMATION SYSTEMS. LONDON: MACMILLAN, 1997.
Lua MLA (9ú heag.)BUCHANAN W. MASTERING GLOBAL INFORMATION SYSTEMS. MACMILLAN, 1997.
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