Gaya APA

O'Brien, J, A. (2004). Management InformatioN Systems: Managing Information Technology in The Business Enterprise (6th ed). Boston: Mc.Graw-Hill.

Gaya MLA

O'Brien, James, A.. "Management InformatioN Systems: Managing Information Technology in The Business Enterprise". 6th ed Boston: Mc.Graw-Hill, 2004. Text.