Añonuevo, E. P. C. (2006). Petron to spend bulk of capex on petrochemicals. Manila Times.
Chicago (17e ed.) BronvermeldingAñonuevo, Euan Paulo C. "Petron to Spend Bulk of Capex on Petrochemicals." Manila Times 2006.
MLA (9e ed.) BronvermeldingAñonuevo, Euan Paulo C. "Petron to Spend Bulk of Capex on Petrochemicals." Manila Times, 2006.
Let op: Deze citaties zijn niet altijd 100% accuraat.