1. Cimermanova, I.: Vek, vyber metody a uloha ucitela. In: Pongo, S., Pokrivcak, A. (eds.) Teaching Foreign Langauges to Adults, pp. 24–29. UKF, Nitra (2000)
2. Coulmas, F.: Sociolinguistics: The Study of Speakers’ Choices. Cambridge University Press, Cambridge (2013)
3. Fleming, N., Baume, D.: Learning styles again: VARKing up the right tree! Educ. Dev. 7(4), 4 (2006)
4. Harmer, J.: The Practice of English Language Teaching. London/New York (1991)
5. Határ, C., Grofčíková, S.: Foreign language education of seniors. J. Lang Cult. Educ. 4(1), 110–123 (2016)