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Lua i Stíl Chicago (17ú heag.)FORTUNE JOYCE. INFORMATION SYSTEMS ACHIVING SUCESS BY AVOIDING FAILURE. ENGLAND: JOHN WILEY & SONS, LTD, 2005.
Lua MLA (9ú heag.)FORTUNE JOYCE. INFORMATION SYSTEMS ACHIVING SUCESS BY AVOIDING FAILURE. JOHN WILEY & SONS, LTD, 2005.
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