International Trade Alliance. International trade directory. International Trade Alliance.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रInternational Trade Alliance. International Trade Directory. Spokane, Wash.: International Trade Alliance.
एमएलए (8वां संस्करण) प्रशस्ति पत्रInternational Trade Alliance. International Trade Directory. International Trade Alliance.
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