Reyes, R. S. (1998). SSI: A valuable IBM business partner. Manila Bulletin.
Cita Chicago (17th ed.)Reyes, Ria S. "SSI: A Valuable IBM Business Partner." Manila Bulletin 1998.
Cita MLA (9th ed.)Reyes, Ria S. "SSI: A Valuable IBM Business Partner." Manila Bulletin, 1998.
Atenció: Aquestes cites poden no estar 100% correctes.