Gaya APA
E., H., S., C, S., S. (1996).
Computers and Information systems (5 ed).
United States of America:
Irwin Timer Mirror Higher Education Group.
Gaya MLA
E., H., S., C, S., S..
Computers and Information systems.
5 ed
United States of America:
Irwin Timer Mirror Higher Education Group,
1996.
Text.