Citazione APA

Ems, E. (1988). Economics of public information systems. Dept. of Economics, University of Stockholm.

Stile di citazione Chicago

Ems, Emil. Economics of Public Information Systems. Stockholm: Dept. of Economics, University of Stockholm, 1988.

Citazione MLA

Ems, Emil. Economics of Public Information Systems. Dept. of Economics, University of Stockholm, 1988.

Attenzione: Queste citazioni potrebbero non essere precise al 100%.