1. Beeby, A. (1996). Teaching translation from Spanish to English. Ottawa: Ottawa University Press.
2. Bell, R.T. (1991). Translation and translating. London: Longman.
3. Boon, J. & van der Klink, M. (2002). Competencies: The triumph of a fuzzy concept. proceedings of academy of human resource development annual conference,Vol.1, (pp. 327-334). Honolulu. .
4. Gonzalez, J., & Wagenaar, R. (2003). Tuning educational structures in Europe. Inform final. Fase 1, Universidades de Deusto i Groningen. .
5. Campbell, S. (1998). Translation into the second language. London and New York: Longman.