Avtar singh. (1992). Principle of Mercantile Law (5.). Eastern Book company.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रAvtar singh. Principle of Mercantile Law. 5. Lucknow: Eastern Book company, 1992.
एमएलए (9वां संस्करण) प्रशस्ति पत्रAvtar singh. Principle of Mercantile Law. 5. Eastern Book company, 1992.
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