Sadongdong, M. A. (2021). PH defeats 'Delta': 2M more Pfizer jabs arriving next week. Manila Bulletin.
Čikaški stil citiranja (17. izdanje)Sadongdong, Martin A. "PH Defeats 'Delta': 2M More Pfizer Jabs Arriving Next Week." Manila Bulletin 2021.
MLA način citiranja (9. izdanje)Sadongdong, Martin A. "PH Defeats 'Delta': 2M More Pfizer Jabs Arriving Next Week." Manila Bulletin, 2021.
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