Schwartz, D. I. (2006). Introduction to UNIX (2nd ed.). Pearson/Prentice Hall.
Lua i Stíl Chicago (17ú heag.)Schwartz, David I. Introduction to UNIX. 2nd ed. Upper Saddle River, NJ ; New Delhi: Pearson/Prentice Hall, 2006.
Lua MLA (8ú heag.)Schwartz, David I. Introduction to UNIX. 2nd ed. Pearson/Prentice Hall, 2006.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.