Villanueva, J. (2002). A position paper against House Bill No. 4110. IN Educators speak [column]. Manila Bulletin.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रVillanueva, Jose. "A Position Paper Against House Bill No. 4110. IN Educators Speak [column]." Manila Bulletin 2002.
एमएलए (9वां संस्करण) प्रशस्ति पत्रVillanueva, Jose. "A Position Paper Against House Bill No. 4110. IN Educators Speak [column]." Manila Bulletin, 2002.
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