Porcalla, D. (2010). Mikey wants oil firms to give bigger price roll backs. Philippine Star.
Chicago (17e ed.) BronvermeldingPorcalla, Delon. "Mikey Wants Oil Firms to Give Bigger Price Roll Backs." Philippine Star 2010.
MLA (9e ed.) BronvermeldingPorcalla, Delon. "Mikey Wants Oil Firms to Give Bigger Price Roll Backs." Philippine Star, 2010.
Let op: Deze citaties zijn niet altijd 100% accuraat.