, 1990a, Bourgeoisie, in J. Eatwell, M. Milgate & P. Newman (eds.), Marxian economics, Basingstoke, Palgrave Macmillan, pp. 59-64.
, 1990b, Class, in J. Eatwell, M. Milgate & P. Newman (eds.), Marxian economics, Basingstoke, Palgrave Macmillan, pp. 79-84.