Gardner, J. (1994). Learning UNIX (2nd ed.). Sams.
Lua i Stíl Chicago (17ú heag.)Gardner, James. Learning UNIX. 2nd ed. Carmel, Ind: Sams, 1994.
Lua MLA (9ú heag.)Gardner, James. Learning UNIX. 2nd ed. Sams, 1994.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.