Burgonio, M. E. (2002). SSS found could run out by 2015, warns consulting firm. Manila Times.
Chicago-referens (17:e uppl.)Burgonio, Maricel E. "SSS Found Could Run Out by 2015, Warns Consulting Firm." Manila Times 2002.
MLA-referens (9:e uppl.)Burgonio, Maricel E. "SSS Found Could Run Out by 2015, Warns Consulting Firm." Manila Times, 2002.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.