Gaya APA
JR, H, C, L. (1978).
Information Systems concepts for management : Grolier business library (-).
Mcgraw-Hill:
Grolier business library.
Gaya MLA
JR, Henry, C., Lugas,.
"Information Systems concepts for management : Grolier business library".
-
Mcgraw-Hill:
Grolier business library,
1978.
UMUM.