Ekelund, R. (1990). A history of economic theory and method (3rd.). Mc Graw Hill.
Cita Chicago Style (17a ed.)Ekelund, R. A History of Economic Theory and Method. 3rd. New York: Mc Graw Hill, 1990.
Cita MLA (9a ed.)Ekelund, R. A History of Economic Theory and Method. 3rd. Mc Graw Hill, 1990.
Precaución: Estas citas no son 100% exactas.