Apodaca, O. (1997). Cartel, price hike: No place in a liberalized oil industry. Manila Times.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रApodaca, Odette. "Cartel, Price Hike: No Place in a Liberalized Oil Industry." Manila Times 1997.
एमएलए (9वां संस्करण) प्रशस्ति पत्रApodaca, Odette. "Cartel, Price Hike: No Place in a Liberalized Oil Industry." Manila Times, 1997.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.