Gaya APA
Data Communications for Business. (1987).
:
.
Gaya Chicago
Data Communications for Business.
1st ed..
:
,
1987.
Text.
Gaya MLA
Data Communications for Business.
1st ed..
:
,
1987.
Text.
Gaya Turabian
Data Communications for Business.
:
,
1987.
Print.