Gaya APA
Keen, P, G, W., Morton, M, S, S. (1978).
Decision Support System ; An Organizational Perspective .
California:
Addison-Wesley.
Gaya MLA
Keen, Peter, G., W.., Morton, Michael, S., Scott.
"Decision Support System ; An Organizational Perspective".
California:
Addison-Wesley,
1978.
Text.