Csire, M. and Laakso, J. (2011) “Teaching the heritage language as a foreign language: on the questions of bilingualism and minority language teaching in Austria”, Eesti ja soome-ugri keeleteaduse ajakiri. Journal of Estonian and Finno-Ugric Linguistics. Tartu, Estonia, 2(1), pp. 93–107. doi: 10.12697/jeful.2011.2.1.06.