Yasay, P. R., Jr. (2011). Fighting poverty. Philippines Free Press.
Lua i Stíl Chicago (17ú heag.)Yasay, Perfecto R., Jr. "Fighting Poverty." Philippines Free Press 2011.
Lua MLA (9ú heag.)Yasay, Perfecto R., Jr. "Fighting Poverty." Philippines Free Press, 2011.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.