Gaya APA

Rockart, J, F., DeLong, D, W. (1988). Executive Support Systems ; The Emergence of Top Management Computer Use (1). New York: Dow Jornes Irwin.

Gaya MLA

Rockart, John, F.., DeLong, David, W.. "Executive Support Systems ; The Emergence of Top Management Computer Use". 1 New York: Dow Jornes Irwin, 1988. Text.