Apodaca, O. (1997). Cartel, price hike: No place in a liberalized oil industry. Manila Times.
Chicago-referens (17:e uppl.)Apodaca, Odette. "Cartel, Price Hike: No Place in a Liberalized Oil Industry." Manila Times 1997.
MLA-referens (9:e uppl.)Apodaca, Odette. "Cartel, Price Hike: No Place in a Liberalized Oil Industry." Manila Times, 1997.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.