Cahiles, B. A. (1998). MRT line 4 cost upgraded by 40%. Manila Bulletin.
Chicago (17e ed.) BronvermeldingCahiles, Bernie A. "MRT Line 4 Cost Upgraded by 40%." Manila Bulletin 1998.
MLA (9e ed.) BronvermeldingCahiles, Bernie A. "MRT Line 4 Cost Upgraded by 40%." Manila Bulletin, 1998.
Let op: Deze citaties zijn niet altijd 100% accuraat.