Garcia, P. E. G. (2021). Former President Estrada's condition worsens, now placed on ventilator. Manila Bulletin.
Chicagoスタイル(17版)引用形式Garcia, Patrick Ely G. "Former President Estrada's Condition Worsens, Now Placed on Ventilator." Manila Bulletin 2021.
MLA(9版)引用形式Garcia, Patrick Ely G. "Former President Estrada's Condition Worsens, Now Placed on Ventilator." Manila Bulletin, 2021.
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