Symposium on Natural Language and Speech Brussels, Belgium, Network of Excellence on Language and Speech (Organization), Commission of the European Communities. Directorate-General for Telecommunications, Information Industries, and Innovation, Klein, E., & Veltman, F. (1991). Natural Language and Speech: Symposium Proceedings, Brussels, November 26/27, 1991. Springer-Verlag.
Παραπομπή σε μορφή Chicago (17η εκδ.)Symposium on Natural Language and Speech Brussels, Belgium, Network of Excellence on Language and Speech (Organization), Information Industries Commission of the European Communities. Directorate-General for Telecommunications, Ewan Klein, και Frank Veltman. Natural Language and Speech: Symposium Proceedings, Brussels, November 26/27, 1991. Berlin ; New York: Springer-Verlag, 1991.
Παραπομπή σε μορφή MLA (9th εκδ.)Symposium on Natural Language and Speech Brussels, Belgium, et al. Natural Language and Speech: Symposium Proceedings, Brussels, November 26/27, 1991. Springer-Verlag, 1991.