Gaya APA

MARAKAS, G, M., O'BRIEN, J, A. (2013). Introduction to information systems (16th ed.). New York: McGraw-Hill Irwin.

Gaya MLA

MARAKAS, George, M.., O'BRIEN, James, A.. "Introduction to information systems". 16th ed. New York: McGraw-Hill Irwin, 2013. Buku.