The Patent Office Technical Society, C. (1981). Decisions on patents and designs. The author.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रThe Patent Office Technical Society, Calcutta. Decisions on Patents and Designs. The author, 1981.
एमएलए (9वां संस्करण) प्रशस्ति पत्रThe Patent Office Technical Society, Calcutta. Decisions on Patents and Designs. The author, 1981.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.