Schwartz, D. I. (2006). Introduction to UNIX (2nd ed.). Pearson/Prentice Hall.

Schwartz, David I. Introduction to UNIX. 2nd ed. Upper Saddle River, NJ ; New Delhi: Pearson/Prentice Hall, 2006.

Schwartz, David I. Introduction to UNIX. 2nd ed. Pearson/Prentice Hall, 2006.