Gaya APA

O`brien, J, A., Marakas, G, M. (2008). Introduction to information systems edisi 14 (Ed.14, International Edition). New York: McvGraw-Hill.

Gaya MLA

O`brien, James, A.., Marakas, George, M.. "Introduction to information systems edisi 14". Ed.14, International Edition New York: McvGraw-Hill, 2008. Text.