D. Croone y J. N. Robinson. Understanding the economy : an introduction to macroeconomic theory. Londres : Weidenfeld & Nicolson. 1972. 166 p. Raúl de la Peña 247-248 1973-05-01
J. N. Robinson. Planning and forecasting techniques : and [sic] introduction to macroeconomics applications. Londres : Weidenfeld & Nicolson, 1972. 166 p. Raúl de la Peña 245 1973-05-01