Sayson, I. C. (1998). Int'l magazine names RP's top three research teams. Manila Times.
Lua i Stíl Chicago (17ú heag.)Sayson, Ian C. "Int'l Magazine Names RP's Top Three Research Teams." Manila Times 1998.
Lua MLA (9ú heag.)Sayson, Ian C. "Int'l Magazine Names RP's Top Three Research Teams." Manila Times, 1998.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.