Gaya APA
Bytheway, C, E, J, W, A. (2001).
The essence of information systems = sistem informasi .
Yogyakarta:
Andi.
Gaya MLA
Bytheway, Chris, Edwards,, John, Ward,, Andy.
"The essence of information systems = sistem informasi".
Yogyakarta:
Andi,
2001.
Text.