Gaya APA
Traver, K, C, L, C, G. (2007).
E-Commerce: business, technology, society (3 th.ed).
USA:
Prentice Hall.
Gaya MLA
Traver, Kenneth, C., Laudon,, Carol, Guercio.
"E-Commerce: business, technology, society".
3 th.ed
USA:
Prentice Hall,
2007.
Text.