Custodio, R. (2000). Davao City beaches infested with coliform bacteria - DENR. Manila Times.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रCustodio, Rene. "Davao City Beaches Infested with Coliform Bacteria - DENR." Manila Times 2000.
एमएलए (9वां संस्करण) प्रशस्ति पत्रCustodio, Rene. "Davao City Beaches Infested with Coliform Bacteria - DENR." Manila Times, 2000.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.