Sayson, I. C. (1998). Int'l magazine names RP's top three research teams. Manila Times.
Chicago-referens (17:e uppl.)Sayson, Ian C. "Int'l Magazine Names RP's Top Three Research Teams." Manila Times 1998.
MLA-referens (9:e uppl.)Sayson, Ian C. "Int'l Magazine Names RP's Top Three Research Teams." Manila Times, 1998.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.