Santos, J. (2021). Ex-president Estrada diagnosed with 'superimposed bacterial lung infection'. Manila Bulletin.
Citazione stile Chigago Style (17a edizione)Santos, Jel. "Ex-president Estrada Diagnosed with 'Superimposed Bacterial Lung Infection'." Manila Bulletin 2021.
Citatione MLA (9a ed.)Santos, Jel. "Ex-president Estrada Diagnosed with 'Superimposed Bacterial Lung Infection'." Manila Bulletin, 2021.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.