Gaya APA
The Norton Utilities Manual Version 4.0 / Advanced Edition User. (1987).
:
Peter Norton.
Gaya Chicago
The Norton Utilities Manual Version 4.0 / Advanced Edition User.
.
:
Peter Norton,
1987.
Text.
Gaya MLA
The Norton Utilities Manual Version 4.0 / Advanced Edition User.
.
:
Peter Norton,
1987.
Text.
Gaya Turabian
The Norton Utilities Manual Version 4.0 / Advanced Edition User.
:
Peter Norton,
1987.
Print.