Ong, E. (2002). Gov't to save P100M from purchase of legal Microsoft softwares. Manila Bulletin.
Chicago-viite (17. p.)Ong, Edison. "Gov't to Save P100M from Purchase of Legal Microsoft Softwares." Manila Bulletin 2002.
MLA-viite (9. p.)Ong, Edison. "Gov't to Save P100M from Purchase of Legal Microsoft Softwares." Manila Bulletin, 2002.
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