Velasco, M. M. (2019). Big-time oil price rollback set: As much as P3.50 per liter expected to be slashed on pump price next week. Manila Bulletin.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Velasco, Myrna M. "Big-time Oil Price Rollback Set: As Much as P3.50 Per Liter Expected to Be Slashed on Pump Price Next Week." Manila Bulletin 2019.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Velasco, Myrna M. "Big-time Oil Price Rollback Set: As Much as P3.50 Per Liter Expected to Be Slashed on Pump Price Next Week." Manila Bulletin, 2019.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.