Reyes, M. A. L. SSS undertakes large-scale systems upgrade. The Philippine star.
Cita Chicago (17th ed.)Reyes, Mary Ann LL. "SSS Undertakes Large-scale Systems Upgrade." The Philippine Star .
Cita MLA (9th ed.)Reyes, Mary Ann LL. "SSS Undertakes Large-scale Systems Upgrade." The Philippine Star, .
Atenció: Aquestes cites poden no estar 100% correctes.