Simeon, L. M. Manila Water, SG firms collaborate on water technology. The Philippine Star.
Cita Chicago (17th ed.)Simeon, Louise Maureen. "Manila Water, SG Firms Collaborate on Water Technology." The Philippine Star .
Cita MLA (9th ed.)Simeon, Louise Maureen. "Manila Water, SG Firms Collaborate on Water Technology." The Philippine Star, .
Atenció: Aquestes cites poden no estar 100% correctes.