European Federation of National Institutions for Language. Conference, ebrary, Inc, & Stickel, G. (2010). Language use in business and commerce in Europe: Contributions to the annual conference 2008 of EFNIL in Lisbon. Peter Lang.
Chicago Style (17th ed.) ZitazioaEuropean Federation of National Institutions for Language. Conference, Inc ebrary, eta Gerhard Stickel. Language Use in Business and Commerce in Europe: Contributions to the Annual Conference 2008 of EFNIL in Lisbon. Frankfurt am Main ; New York: Peter Lang, 2010.
MLA (9th ed.) ZitazioaEuropean Federation of National Institutions for Language. Conference, et al. Language Use in Business and Commerce in Europe: Contributions to the Annual Conference 2008 of EFNIL in Lisbon. Peter Lang, 2010.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.