Casanova, S. (2002). Can Linux win in a microsoft - dominated business world. Manila Times.
Chicago-viite (17. p.)Casanova, Sheryll. "Can Linux Win in a Microsoft - Dominated Business World." Manila Times 2002.
MLA-viite (9. p.)Casanova, Sheryll. "Can Linux Win in a Microsoft - Dominated Business World." Manila Times, 2002.
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