NTC prohibits charges on telco paper billings. The Philippine Star.
Cita Chicago (17th ed.)"NTC Prohibits Charges on Telco Paper Billings." The Philippine Star .
Cita MLA (9th ed.)"NTC Prohibits Charges on Telco Paper Billings." The Philippine Star, .
Atenció: Aquestes cites poden no estar 100% correctes.