Gaya APA
guritno, S. et al
(2011).
Theory and application of it research
(
1, cet10)
.
Yogjakarta:
Cv andi offset.
Gaya MLA
guritno, Suryo. et al.
"Theory and application of it research".
1, cet10
Yogjakarta:
Cv andi offset,
2011.
Text.