Diaz, J. (2005). Small oil firms now part of oil cartel - lawmaker. Philippine Star.
Chicago (17e ed.) BronvermeldingDiaz, Jess. "Small Oil Firms Now Part of Oil Cartel - Lawmaker." Philippine Star 2005.
MLA (9e ed.) BronvermeldingDiaz, Jess. "Small Oil Firms Now Part of Oil Cartel - Lawmaker." Philippine Star, 2005.
Let op: Deze citaties zijn niet altijd 100% accuraat.