Lenat, D. B., & Guha, R. V. (1990). Building large knowledge-based systems: Representation and inference in the Cyc project. Addison-Wesley.
Lua i Stíl Chicago (17ú heag.)Lenat, Douglas B., agus R. V. Guha. Building Large Knowledge-based Systems: Representation and Inference in the Cyc Project. Reading, Mass: Addison-Wesley, 1990.
Lua MLA (9ú heag.)Lenat, Douglas B., agus R. V. Guha. Building Large Knowledge-based Systems: Representation and Inference in the Cyc Project. Addison-Wesley, 1990.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.