1. Ackoff, R.L., 1981, “Creating the Corporate Future,” John Wiley & Sons, New York.
2. Ackoff, R.L., 1984, “A Guide to Controlling your Corporate Future,” John Wiley & Sons, New York.
3. Bateson, G., 1972, “Steps to an Ecology of Mind,” Intex Books, London.
4. Beer, S., 1979, “Heart of Enterprise,” John Wiley & Sons, New York.
5. Beer, S., 1981, “Brain of the Firm,” John Wiley & Sons, New York.