Vgl. Terje Torgilstveit: Norsk språk i seinmiddelalderen. Endringer, periodisering og årsaker til endringene (= Doktoravhandlinger ved Universitetet i Agder. Band406). 2023, S.4 (norwegisch, Academia.edu – mit englischsprachiger Zusammenfassung).
doi.org
Koenraad De Smedt, Gunn Inger Lyse, Anje Müller Gjesdal, Gyri S. Losnegaard: The Norwegian Language in the Digital Age (= White Paper Series). Springer Berlin Heidelberg, Berlin, Heidelberg 2012, ISBN 978-3-642-31388-2, S.45, doi:10.1007/978-3-642-31389-9 (springer.com): „Norwegian is the common spoken and written language in Norway and is the native language of the vast majority of the Norwegian population (more than 90%) and has about 4,320,000 speakers at present.“
Koenraad De Smedt, Gunn Inger Lyse, Anje Müller Gjesdal, Gyri S. Losnegaard: The Norwegian Language in the Digital Age (= White Paper Series). Springer Berlin Heidelberg, Berlin, Heidelberg 2012, ISBN 978-3-642-31388-2, S.45, doi:10.1007/978-3-642-31389-9 (springer.com): „Norwegian is the common spoken and written language in Norway and is the native language of the vast majority of the Norwegian population (more than 90%) and has about 4,320,000 speakers at present.“
