1. Borlakova, H.M.: An integrated approach to teaching a foreign language. Kant 2(27), 23–26 (2018)
2. Mayr, G.: Building bridges between languages: How students develop crosslinguistic awareness in multilingual learning settings. In: Pinto, J., Nelia, A. (eds.) Multilingualism and Third Language Acquisition: Learning and Teaching Trends Acquisition, pp. 165–184. Language Science Press, Berlin (2021)
3. Jones, L.: Why Russians Don’t Smile, 4th edn. Intermark Relocation, Moscow (2020)
4. Baryshnikov, N.V.: Obuchenie mnogojazychiju: Ot nauchnogo zamysla k obobshheniju opyta [Teaching multilingualism: From scientific design to generalization of experience]. Foreign Languages at School 12, 6–12 (2020). (in Russian)
5. Vartanov, A.V.: Mnogojazychnaja kommunikativnaja kompetencija kak celevaja dominanta professional’noj podgotovki uchitelja mnogojazychija [Multilingual communicative competence as a target dominant of professional training of a multilingualism teacher]. Theory and Pract. Teach. Foreign Languages Cultures: Achievements, Problems, Prospects 22, 227–235 (2020). (in Russian)