Clean Up the World. (2000). MMDA council endorses Australia's clean up the world. Manila Bulletin.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रClean Up the World. "MMDA Council Endorses Australia's Clean Up the World." Manila Bulletin 2000.
एमएलए (9वां संस्करण) प्रशस्ति पत्रClean Up the World. "MMDA Council Endorses Australia's Clean Up the World." Manila Bulletin, 2000.
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