"Maithili". Archived from the original on 30 July 2017. பார்க்கப்பட்ட நாள் 1 June 2017.
glottolog.org
Hammarström, Harald; Forkel, Robert; Haspelmath, Martin, eds. (2017). "Maithili". Glottolog 3.0. Jena, Germany: Max Planck Institute for the Science of Human History.