Gaya APA
O'Brien, J, A., Marakas, G, M.
(2007).
Enterprise Information System
(
Ed. 13)
.
New York:
Mc Graw-Hill.
Gaya MLA
O'Brien, James, A.., Marakas, George, M..
"Enterprise Information System".
Ed. 13
New York:
Mc Graw-Hill,
2007.
Texts.