Lua APA (7ú heag.)

Calica, A. (2010). Poll: Noynoy maintains 15-16% lead over Erap. Philippine Star.

Lua i Stíl Chicago (17ú heag.)

Calica, Aurea. "Poll: Noynoy Maintains 15-16% Lead over Erap." Philippine Star 2010.

Lua MLA (9ú heag.)

Calica, Aurea. "Poll: Noynoy Maintains 15-16% Lead over Erap." Philippine Star, 2010.

Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.