1. Amano, A. 1968. Stability conditions in the pure theory of international trade – Rehabilitation of the Marshallian approach. Quarterly Journal of Economics 82: 326–339.
2. Bowley, A. 1924. The mathematical groundwork of economics. New York: Oxford University Press.
3. Cass, D. 1980. Money in consumption loan type models: An addendum. In Models of monetary economics, ed. J.H. Kareken and N. Wallace. Minneapolis: Federal Reserve Bank of Minneapolis.
4. Cass, D., M. Okuno, and I. Zilcha. 1980. The role of money in supporting the Pareto optimality of competitive equilibrium in consumption loan type models. In Models of monetary economies, ed. J.H. Kareken and N. Wallace, 13–48. Minneapolis: Federal Reserve Bank of Minneapolis.
5. Caves, R.E., and R.W. Jones. 1985. World trade and payments, an introduction, 4th ed. Boston: Little, Brown.