Lopez, E. H. (2002). Local software piracy rate drops to 61 percent. Manila Bulletin.
Cita Chicago (17th ed.)Lopez, Edu H. "Local Software Piracy Rate Drops to 61 Percent." Manila Bulletin 2002.
Cita MLA (9th ed.)Lopez, Edu H. "Local Software Piracy Rate Drops to 61 Percent." Manila Bulletin, 2002.
Atenció: Aquestes cites poden no estar 100% correctes.