Estupigan, R. (1999). Bringing the best of Albay: To the country and to the world. Manila Bulletin.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रEstupigan, Ruth. "Bringing the Best of Albay: To the Country and to the World." Manila Bulletin 1999.
एमएलए (9वां संस्करण) प्रशस्ति पत्रEstupigan, Ruth. "Bringing the Best of Albay: To the Country and to the World." Manila Bulletin, 1999.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.