Katigbak, A. F. (2004). Oil price soars above $45/661 for 1st time. Philippine Star.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रKatigbak, Antonio F. "Oil Price Soars Above $45/661 for 1st Time." Philippine Star 2004.
एमएलए (9वां संस्करण) प्रशस्ति पत्रKatigbak, Antonio F. "Oil Price Soars Above $45/661 for 1st Time." Philippine Star, 2004.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.