Gaya APA
Kendall, K, E., Kendall, J, E.
(2011).
Systems analysis and design
(
8th. Ed.)
.
Singapore:
Pearson.
Gaya MLA
Kendall, Kenneth, E.., Kendall, Julie, E..
"Systems analysis and design".
8th. Ed.
Singapore:
Pearson,
2011.
Text.