APA-viite (7. p.)

Lopez, E. H. (2001). Increasing developmet by local firms of leading electronics billing sol'n area. Manila Bulletin.

Chicago-viite (17. p.)

Lopez, Edu H. "Increasing Developmet by Local Firms of Leading Electronics Billing Sol'n Area." Manila Bulletin 2001.

MLA-viite (9. p.)

Lopez, Edu H. "Increasing Developmet by Local Firms of Leading Electronics Billing Sol'n Area." Manila Bulletin, 2001.