Gaya APA
Rahardja, U. et al (2011).
Theory and Application of IT research - Metodologi Penelitian Teknologi Informasi .
Yogyakarta:
Penerbit Andi.
Gaya MLA
Rahardja, Untung. et al.
"Theory and Application of IT research - Metodologi Penelitian Teknologi Informasi".
Yogyakarta:
Penerbit Andi,
2011.
.