Felix, R. C. (1998). Petron cuts prices ; power rates frozen. Philippine Star.
Lua i Stíl Chicago (17ú heag.)Felix, Rocel C. "Petron Cuts Prices ; Power Rates Frozen." Philippine Star 1998.
Lua MLA (9ú heag.)Felix, Rocel C. "Petron Cuts Prices ; Power Rates Frozen." Philippine Star, 1998.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.