Lopez, E. H. (2002). 70 companies receive BSA's clean bill of software health. Manila Bulletin.
Chicago-viite (17. p.)Lopez, Edu H. "70 Companies Receive BSA's Clean Bill of Software Health." Manila Bulletin 2002.
MLA-viite (9. p.)Lopez, Edu H. "70 Companies Receive BSA's Clean Bill of Software Health." Manila Bulletin, 2002.
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