Lo, J., & Pressman, D. (2011). How to make patent drawings: A patent it yourself companion (6th ed.). Nolo.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रLo, Jack, और David Pressman. How to Make Patent Drawings: A Patent It Yourself Companion. 6th ed. Berkeley, CA: Nolo, 2011.
एमएलए (8वां संस्करण) प्रशस्ति पत्रLo, Jack, और David Pressman. How to Make Patent Drawings: A Patent It Yourself Companion. 6th ed. Nolo, 2011.
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