Gaya APA
Kimbrough, S, O., Wu, D. (2005).
Formal Modelling in Electronic Commerce (1st ed).
Berlin, Heidelberg:
Springer.
Gaya MLA
Kimbrough, Steven, O.., Wu, Dongjun..
"Formal Modelling in Electronic Commerce".
1st ed
Berlin, Heidelberg:
Springer,
2005.
E Book.