APA Style
Turban, E. et al (2006).
Electronic Commerce 2006: A Managerial Perspective .
New Jersey:
Pearson Prentice Hall.
MLA Style
Turban, Efraim. et al.
"Electronic Commerce 2006: A Managerial Perspective".
New Jersey:
Pearson Prentice Hall,
2006.
Sistem Informasi.