Lazaro, D., & Torres, M. T. (1999). Bobby O, others tied to oil tax credit scam. Manila Times.
Lua i Stíl Chicago (17ú heag.)Lazaro, D'jay, agus Ma. Theresa Torres. "Bobby O, Others Tied to Oil Tax Credit Scam." Manila Times 1999.
Lua MLA (9ú heag.)Lazaro, D'jay, agus Ma. Theresa Torres. "Bobby O, Others Tied to Oil Tax Credit Scam." Manila Times, 1999.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.