Cita APA (7a ed.)

European Information Technology Observatory. (2005). European Information Technology Observatory: 2005 (13th ed.). European Information Technology Observatory : European Economic Interest Grouping.

Cita Chicago Style (17a ed.)

European Information Technology Observatory. European Information Technology Observatory: 2005. 13th ed. Frankfurt am Main: European Information Technology Observatory : European Economic Interest Grouping, 2005.

Cita MLA (9a ed.)

European Information Technology Observatory. European Information Technology Observatory: 2005. 13th ed. European Information Technology Observatory : European Economic Interest Grouping, 2005.