Danao, E. L., & Diaz, J. (2001). Opposition SONA: Economy sinking / Efren Danao and Jess Diaz. Philippine Star.
Lua i Stíl Chicago (17ú heag.)Danao, Efren L., agus Jess Diaz. "Opposition SONA: Economy Sinking / Efren Danao and Jess Diaz." Philippine Star 2001.
Lua MLA (9ú heag.)Danao, Efren L., agus Jess Diaz. "Opposition SONA: Economy Sinking / Efren Danao and Jess Diaz." Philippine Star, 2001.
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