APA Style
O'Brien, J, A., Marakas, G, M.
(2007).
Enterprise information systems
(
Ed. 13)
.
New York:
McGraw Hill.
MLA Style
O'Brien, James, A.., Marakas, George, M..
"Enterprise information systems".
Ed. 13
New York:
McGraw Hill,
2007.
Text.