1. Boland, L. 1982. The foundations of economic method. London: George Allen & Unwin.
2. Boland, L. 1986. Methodology for a new microeconomics: The critical foundations. Boston: Allen & Unwin.
3. Kaldor, N. 1963. Capital accumulation and economic growth. In The theory of capital, ed. F. Lutz. London: Macmillan.
4. Solow, R. 1970. Growth theory: An exposition. Oxford: Clarendon Press.