Dyfyniad APA

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

Dyfyniad Arddull Chicago

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

Dyfyniad MLA

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

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.