Velasco, M. M. (2018). Sixth oil price hike this year takes effect. Manila Bulletin.
Lua i Stíl Chicago (17ú heag.)Velasco, Myrna M. "Sixth Oil Price Hike This Year Takes Effect." Manila Bulletin 2018.
Lua MLA (9ú heag.)Velasco, Myrna M. "Sixth Oil Price Hike This Year Takes Effect." Manila Bulletin, 2018.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.