Apodaca, O. (1997). Cartel, price hike: No place in a liberalized oil industry. Manila Times.
Cita Chicago (17th ed.)Apodaca, Odette. "Cartel, Price Hike: No Place in a Liberalized Oil Industry." Manila Times 1997.
Cita MLA (9th ed.)Apodaca, Odette. "Cartel, Price Hike: No Place in a Liberalized Oil Industry." Manila Times, 1997.
Atenció: Aquestes cites poden no estar 100% correctes.