Anniversary Conference of English as a Lingua Franca Helsinki, Mauranen, A., & Vetchinnikova, S. c. 2. J. (2021). Language change: The impact of English as a Lingua Franca. Cambridge University Press. https://doi.org/10.1017/9781108675000
Chicago-Zitierstil (17. Ausg.)Anniversary Conference of English as a Lingua Franca Helsinki, Anna Mauranen, und Svetlana ca. 20./21. Jh Vetchinnikova. Language Change: The Impact of English as a Lingua Franca. Cambridge, United Kingdom ; New York, NY, USA ; Port Melbourne, Australia ; New Delhi, India ; Singapore: Cambridge University Press, 2021. https://doi.org/10.1017/9781108675000.
MLA-Zitierstil (9. Ausg.)Anniversary Conference of English as a Lingua Franca Helsinki, et al. Language Change: The Impact of English as a Lingua Franca. Cambridge University Press, 2021. https://doi.org/10.1017/9781108675000.