Ruiz, E. (2020). Cagayan River dredging, planting of 200 M trees proposed. Manila Bulletin.
Citazione stile Chigago Style (17a edizione)Ruiz, Ellalyn. "Cagayan River Dredging, Planting of 200 M Trees Proposed." Manila Bulletin 2020.
Citatione MLA (9a ed.)Ruiz, Ellalyn. "Cagayan River Dredging, Planting of 200 M Trees Proposed." Manila Bulletin, 2020.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.