(1999). SSS earns P11.79 billion. Manila Bulletin.
Lua i Stíl Chicago (17ú heag.)"SSS Earns P11.79 Billion." Manila Bulletin 1999.
Lua MLA (9ú heag.)"SSS Earns P11.79 Billion." Manila Bulletin, 1999.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.