APA (7 वां संस्करण) प्रशस्ति पत्र

(2000). Detergents may pollute our sources of potable water, say experts. Philippine Star.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

"Detergents May Pollute Our Sources of Potable Water, Say Experts." Philippine Star 2000.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

"Detergents May Pollute Our Sources of Potable Water, Say Experts." Philippine Star, 2000.