(2021). A matter of law and of official policy. IN Editorial [column]. Manila Bulletin.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र"A Matter of Law and of Official Policy. IN Editorial [column]." Manila Bulletin 2021.
एमएलए (9वां संस्करण) प्रशस्ति पत्र"A Matter of Law and of Official Policy. IN Editorial [column]." Manila Bulletin, 2021.
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