1. Chan, A. L. J. (2008). Information economics, the translation profession and translator certification (PhD dissertation). Universitat Rovira i Virgili. Retrieved January 15, 2020 from
https://www.tdx.cat/handle/10803/8772
.
2. Council of Europe. (2001). Common European framework of reference for languages: Learning, teaching, assessment. Strasbourg: Council of Europe.
3. Council of Europe. (2018). Common European framework of reference for languages: Learning, teaching, assessment. Companion volume with new descriptors. Retrieved January 15, 2020 from
https://rm.coe.int/cefr-companion-volume-with-new-descriptors-2018/1680787989
.
4. Cullen, L. (2003). A history of Japan, 1582–1941: Internal and external worlds. Cambridge: Cambridge University Press.
5. Fallada Pouget, C. (2000). Are restaurant menus getting worse? Restaurant menus in English in the Tarragona area. Target, 12(2), 323–332.