Villanueva, M. A. (2007). Command voting. IN Commonsense [column]. Philippine Star.
Lua i Stíl Chicago (17ú heag.)Villanueva, Marichu A. "Command Voting. IN Commonsense [column]." Philippine Star 2007.
Lua MLA (9ú heag.)Villanueva, Marichu A. "Command Voting. IN Commonsense [column]." Philippine Star, 2007.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.