Gaya APA
Elliot, C, O.
(1981).
A Guide to Data Processing
(
Cet. ke: 4)
.
Illinois, Amerika:
Irwin Publications.
Gaya MLA
Elliot, C., Orville.
"A Guide to Data Processing".
Cet. ke: 4
Illinois, Amerika:
Irwin Publications,
1981.
Text.