Geducos, A. C. B. (2021). A4 priority group simplified; more placed under A1 cluster. Manila Bulletin.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रGeducos, Argyll Cyrus B. "A4 Priority Group Simplified; More Placed Under A1 Cluster." Manila Bulletin 2021.
एमएलए (9वां संस्करण) प्रशस्ति पत्रGeducos, Argyll Cyrus B. "A4 Priority Group Simplified; More Placed Under A1 Cluster." Manila Bulletin, 2021.
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