APA-referens (7:e uppl.)

(1990). Using Unix System 5 Release 3 The Le Blond Group [et Al.]. Osborne McGraw-Hill.

Chicago-referens (17:e uppl.)

Using Unix System 5 Release 3 The Le Blond Group [et Al.]. Osborne McGraw-Hill, 1990.

MLA-referens (8:e uppl.)

Using Unix System 5 Release 3 The Le Blond Group [et Al.]. Osborne McGraw-Hill, 1990.