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Lua i Stíl Chicago (17ú heag.)IFIP Working Conference on Symbol Manipulation Language, Pisa, 1966, agus Daniel G. Bobrow. Symbol Manipulation Languages and Techniques: Proceedings of the IFIP Working Conference on Symbol Manipulation Languages. Armsterdam: North-Holland Publishing Company, 1968.
Lua MLA (9ú heag.)IFIP Working Conference on Symbol Manipulation Language, Pisa, 1966, agus Daniel G. Bobrow. Symbol Manipulation Languages and Techniques: Proceedings of the IFIP Working Conference on Symbol Manipulation Languages. North-Holland Publishing Company, 1968.