Lenat, D. B., & Guha, R. V. (1990). Building large knowledge-based systems: Representation and inference in the Cyc project. Addison-Wesley.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रLenat, Douglas B., और R. V. Guha. Building Large Knowledge-based Systems: Representation and Inference in the Cyc Project. Reading, Mass: Addison-Wesley, 1990.
एमएलए (9वां संस्करण) प्रशस्ति पत्रLenat, Douglas B., और R. V. Guha. Building Large Knowledge-based Systems: Representation and Inference in the Cyc Project. Addison-Wesley, 1990.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.