Villanueva, M. A. (1997). Microsoft legalizes pirated software RP gov't is using. Philippine Star.
Chicago Style (17. basım) AtıfVillanueva, Marichu A. "Microsoft Legalizes Pirated Software RP Gov't Is Using." Philippine Star 1997.
MLA (9th ed.) AtıfVillanueva, Marichu A. "Microsoft Legalizes Pirated Software RP Gov't Is Using." Philippine Star, 1997.
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