Gaya APA

Kisker, G, W., O'Brien, J, A. (2003). Introduction to information systems : essentials for the e- business enterprise (Third edition). Boston: McGraw Hill.

Gaya MLA

Kisker, George, W.., O'Brien, James, A.. "Introduction to information systems : essentials for the e- business enterprise". Third edition Boston: McGraw Hill, 2003. Text.