Ems, E. (1988). Economics of public information systems. Dept. of Economics, University of Stockholm.
Stile di citazione ChicagoEms, Emil. Economics of Public Information Systems. Stockholm: Dept. of Economics, University of Stockholm, 1988.
Citazione MLAEms, Emil. Economics of Public Information Systems. Dept. of Economics, University of Stockholm, 1988.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.