Gaya APA
Bachtiar, R, S.
(2011).
Informatics Challenges
(
1)
.
Jakarta Barat:
PT. Bhuana Ilmu Populer.
Gaya MLA
Bachtiar, R., Sandy.
"Informatics Challenges".
1
Jakarta Barat:
PT. Bhuana Ilmu Populer,
2011.
Art Original.