Capra, F. (1983), 'The Turning Point', Bantam , New York
2.
Daly, H.E. and Cobb, J.B. Jnr. ( 1989), 'For the Common Good: Redirecting the Economy Towards Community, the Environment and a Sustainable Future', Greenprint, London
3.
Harman, W. (1988), 'Global Mind Change: the Promise of the Last Years of the Twentieth Century', Knowledge Systems Inc., Indianapolis, in cooperation with the Institute of Noetic Sciences
4.
Hutchinson, C. (1991), 'Business and the Environmental Challenge', The Conservation Trust, Reading
