Gaya APA
L.Whitten, J. et al
(2001).
Systems Analysis And Design Methods 5th Edition
(
5)
.
Boston:
McGraw-hill IRWIN.
Gaya MLA
L.Whitten, Jeffrey. et al.
"Systems Analysis And Design Methods 5th Edition".
5
Boston:
McGraw-hill IRWIN,
2001.
Text.