Villanueva, M. A., & Romero, P. (1997). Lakas solons back changes in Charter. Philippine Star.
Lua i Stíl Chicago (17ú heag.)Villanueva, Marichu A., agus Paolo Romero. "Lakas Solons Back Changes in Charter." Philippine Star 1997.
Lua MLA (9ú heag.)Villanueva, Marichu A., agus Paolo Romero. "Lakas Solons Back Changes in Charter." Philippine Star, 1997.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.