APA (7 वां संस्करण) प्रशस्ति पत्र

Water Philippines 2017 upholds the safeguarding of PH water industry. IN Features. The Philippine Star.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

"Water Philippines 2017 Upholds the Safeguarding of PH Water Industry. IN Features." The Philippine Star .

एमएलए (9वां संस्करण) प्रशस्ति पत्र

"Water Philippines 2017 Upholds the Safeguarding of PH Water Industry. IN Features." The Philippine Star, .