ARTHUR L J. (1997). UNIX SHELL PROGRAMMING (4TH.). JOHN WILEY AND SONS.
Lua i Stíl Chicago (17ú heag.)ARTHUR L J. UNIX SHELL PROGRAMMING. 4TH. NEW YORK...SINGAPORE: JOHN WILEY AND SONS, 1997.
Lua MLA (9ú heag.)ARTHUR L J. UNIX SHELL PROGRAMMING. 4TH. JOHN WILEY AND SONS, 1997.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.