Παραπομπή σε μορφή APA (7η εκδ.)

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

Παραπομπή σε μορφή Chicago (17η εκδ.)

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

Παραπομπή σε μορφή MLA (9th εκδ.)

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