Bayos, K. PNR is not ready to adopt automated fare collection system. IN Business News. Manila Bulletin.
Cita Chicago (17th ed.)Bayos, Kris. "PNR Is Not Ready to Adopt Automated Fare Collection System. IN Business News." Manila Bulletin .
Cita MLA (9th ed.)Bayos, Kris. "PNR Is Not Ready to Adopt Automated Fare Collection System. IN Business News." Manila Bulletin, .
Atenció: Aquestes cites poden no estar 100% correctes.