Lopez, E. H. (1999). Microsoft Philippines intensities campaign against software piracy. Manila Bulletin.
Cita Chicago (17th ed.)Lopez, Edu H. "Microsoft Philippines Intensities Campaign Against Software Piracy." Manila Bulletin 1999.
Cita MLA (9th ed.)Lopez, Edu H. "Microsoft Philippines Intensities Campaign Against Software Piracy." Manila Bulletin, 1999.
Atenció: Aquestes cites poden no estar 100% correctes.