Παραπομπή APA

Wells,, N. (2005). Complete guide to linux: System administration. Cengage learning.

Παραπομπή Chicago Style

Wells,, Nicholas. Complete Guide to Linux: System Administration. Australia: Cengage learning, 2005.

Παραπομπή MLA

Wells,, Nicholas. Complete Guide to Linux: System Administration. Cengage learning, 2005.