(2009). Villar trims Noynoy lead in SWS survey. Malaya.
Chicago Style aipamena"Villar Trims Noynoy Lead in SWS Survey." Malaya 2009.
MLA aipamena"Villar Trims Noynoy Lead in SWS Survey." Malaya, 2009.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.