Lua APA (7ú heag.)

Velasco, M. M. Meralco firms up deal with Japanese partner on billing system. IN Business. Manila Bulletin.

Lua i Stíl Chicago (17ú heag.)

Velasco, Myrna M. "Meralco Firms Up Deal with Japanese Partner on Billing System. IN Business." Manila Bulletin .

Lua MLA (9ú heag.)

Velasco, Myrna M. "Meralco Firms Up Deal with Japanese Partner on Billing System. IN Business." Manila Bulletin, .

Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.