Ruiz, E. (2020). Cagayan River dredging, planting of 200 M trees proposed. Manila Bulletin.
Cita Chicago (17th ed.)Ruiz, Ellalyn. "Cagayan River Dredging, Planting of 200 M Trees Proposed." Manila Bulletin 2020.
Cita MLA (9th ed.)Ruiz, Ellalyn. "Cagayan River Dredging, Planting of 200 M Trees Proposed." Manila Bulletin, 2020.
Atenció: Aquestes cites poden no estar 100% correctes.