(1986). The implementation of the Icon programming language / Ralph E. Griswold and Madge T. Griswold.
Lua i Stíl Chicago (17ú heag.)The Implementation of the Icon Programming Language / Ralph E. Griswold and Madge T. Griswold. 1986.
Lua MLA (9ú heag.)The Implementation of the Icon Programming Language / Ralph E. Griswold and Madge T. Griswold. 1986.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.