APA

,, . (1984). The Progress in the information systems in Europe. Strasbourg: Council of Europe.

Chicago

,, . 1984. The Progress in the information systems in Europe. Strasbourg: Council of Europe.

Harvard

,, . (1984). The Progress in the information systems in Europe. Strasbourg: Council of Europe.

MLA

,, . The Progress in the information systems in Europe. Strasbourg: Council of Europe. 1984.