(2007). Keep thinking globally as a proud Filipino [Speech]. Manila Bulletin.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र"Keep Thinking Globally as a Proud Filipino [Speech]." Manila Bulletin 2007.
एमएलए (9वां संस्करण) प्रशस्ति पत्र"Keep Thinking Globally as a Proud Filipino [Speech]." Manila Bulletin, 2007.
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