Rosario, B. R., & Philippines. Commission on Audit. (2021). COA: Pandemic increased 2020 external debt to P472.57-B. Manila Bulletin.
Chicago-viite (17. p.)Rosario, Ben R., ja Philippines. Commission on Audit. "COA: Pandemic Increased 2020 External Debt to P472.57-B." Manila Bulletin 2021.
MLA-viite (9. p.)Rosario, Ben R., ja Philippines. Commission on Audit. "COA: Pandemic Increased 2020 External Debt to P472.57-B." Manila Bulletin, 2021.
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