Gaya APA

C.Laudon, K., P.Laudon, J. (2013). Management information systems : managing the digital firm / twelfth edition (12). Essex: Pearson.

Gaya MLA

C.Laudon, Kenneth., P.Laudon, Jane. "Management information systems : managing the digital firm / twelfth edition". 12 Essex: Pearson, 2013. Text.