Austria, M. S. (2003). ASEAN Free Trade Area. IN Business focus [column]: Lessons and challenges. Manila Bulletin.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रAustria, Myrna S. "ASEAN Free Trade Area. IN Business Focus [column]: Lessons and Challenges." Manila Bulletin 2003.
एमएलए (9वां संस्करण) प्रशस्ति पत्रAustria, Myrna S. "ASEAN Free Trade Area. IN Business Focus [column]: Lessons and Challenges." Manila Bulletin, 2003.
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