Subbaram N.R. (2007). Patent Law Practice 7 Procedure Commentry On Patent Act,1970 & Rules,2003 (2nd.). Wadhwa & Company.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSubbaram N.R. Patent Law Practice 7 Procedure Commentry On Patent Act,1970 & Rules,2003. 2nd. Nagpur: Wadhwa & Company, 2007.
एमएलए (9वां संस्करण) प्रशस्ति पत्रSubbaram N.R. Patent Law Practice 7 Procedure Commentry On Patent Act,1970 & Rules,2003. 2nd. Wadhwa & Company, 2007.
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