Gaya APA
Downing, Douglas. (1991).
Computers & business tasks .
New York:
Barron\'s.
Gaya Chicago
Downing, Douglas.
Computers & business tasks.
New York:
Barron\'s,
1991.
.
Gaya MLA
Downing, Douglas.
Computers & business tasks.
New York:
Barron\'s,
1991.
.
Gaya Turabian
Downing, Douglas.
Computers & business tasks.
New York:
Barron\'s,
1991.
.