Gaya APA
Indrajit, P, R, E.
(2016).
Electronic government
(
Edisi 2)
.
Yogyakarta:
preinexus.
Gaya MLA
Indrajit, Prof., Richardus, Eko.
"Electronic government".
Edisi 2
Yogyakarta:
preinexus,
2016.
Text.