Lopez, E. H. (2002). Local software piracy rate drops to 61 percent. Manila Bulletin.
Chicagoスタイル(17版)引用形式Lopez, Edu H. "Local Software Piracy Rate Drops to 61 Percent." Manila Bulletin 2002.
MLA(9版)引用形式Lopez, Edu H. "Local Software Piracy Rate Drops to 61 Percent." Manila Bulletin, 2002.
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