APA-referens (7:e uppl.)

Sobell, M. G. (1994). Unix system V: A practical guide (3rd ed.). Benjamin/Cummings.

Chicago-referens (17:e uppl.)

Sobell, Mark G. Unix System V: A Practical Guide. 3rd ed. Redwood City, California: Benjamin/Cummings, 1994.

MLA-referens (9:e uppl.)

Sobell, Mark G. Unix System V: A Practical Guide. 3rd ed. Benjamin/Cummings, 1994.