APA (7 वां संस्करण) प्रशस्ति पत्र

Villanueva, M. A. (2008). Surveys don't win an election. IN Commonsense [column]. Philippine Star.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Villanueva, Marichu A. "Surveys Don't Win an Election. IN Commonsense [column]." Philippine Star 2008.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

Villanueva, Marichu A. "Surveys Don't Win an Election. IN Commonsense [column]." Philippine Star, 2008.