(2002). Universal command guide for operating systems / Guy Lotgering and the UCG Training Team.
Chicago-referens (17:e uppl.)Universal Command Guide for Operating Systems / Guy Lotgering and the UCG Training Team. 2002.
MLA-referens (9:e uppl.)Universal Command Guide for Operating Systems / Guy Lotgering and the UCG Training Team. 2002.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.