Rießler, Michael; Wilbur, Joshua (2007). "Documenting the Endangered Kola Saami Languages". In Bull, Tove; Kusmenko, Jurij; Rießler, Michael (eds.). Språk og språkforhold i Sápmi [Language and Language Conditions in Sápmi]. Berlin, Germany: Nordeuropa-Institut. p. 40. doi:10.18452/1896. ISBN978-3-932406-26-3.
Scheller, Elizabeth (2011). "The Sámi Language Situation in Russia"(PDF). In Grünthal, Riho; Kovács, Magdolna (eds.). Ethnic and Linguistic Context of Identity: Finno-Ugric Minorities. Helsinki, Finland: University of Helsinki, Department of Finnish, Finno-Ugrian and Scandinavian Studies. pp. 90–91. ISBN978-952-5667-28-8. OCLC755168782.
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Scheller, Elizabeth (2011). "The Sámi Language Situation in Russia"(PDF). In Grünthal, Riho; Kovács, Magdolna (eds.). Ethnic and Linguistic Context of Identity: Finno-Ugric Minorities. Helsinki, Finland: University of Helsinki, Department of Finnish, Finno-Ugrian and Scandinavian Studies. pp. 90–91. ISBN978-952-5667-28-8. OCLC755168782.