1. T. R. Malthus, An Essay on the Principle of Population (Oxford Univ. Press, 1999).
2. J. W. Forrester, World Dynamics, 2nd ed. (Wright-Allen Press, Cambridge, Mass., 1973).
3. D. L. Meadows, D. H. Meadows, and J. Randers, The Limits to Growth (Universe Books, New York, 1972).
4. D. L. Meadows, D. H. Meadows, and J. Randers, Dynamics of Growth in a Finite World (Wright-Allen Press, Cambridge, Mass., 1973).
5. E. Pestel, Beyond the Limits to Growth: A Report to the Club of Rome (Universe Books, 1988).