Casanova, S. (2003). Napocor to increase use of renewable energy, cites gain in reducing oil consumption. Manila Times.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रCasanova, Sheryll. "Napocor to Increase Use of Renewable Energy, Cites Gain in Reducing Oil Consumption." Manila Times 2003.
एमएलए (9वां संस्करण) प्रशस्ति पत्रCasanova, Sheryll. "Napocor to Increase Use of Renewable Energy, Cites Gain in Reducing Oil Consumption." Manila Times, 2003.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.