Mercurio, R. (2022). Smart backs renewed push for SIM card registration. Philippine Star.
Lua i Stíl Chicago (17ú heag.)Mercurio, Richmond. "Smart Backs Renewed Push for SIM Card Registration." Philippine Star 2022.
Lua MLA (9ú heag.)Mercurio, Richmond. "Smart Backs Renewed Push for SIM Card Registration." Philippine Star, 2022.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.