Hammarström, Harald; Forkel, Robert; Haspelmath, Martin; Bank, Sebastian, eds. (2022). "Castilic". Glottolog 4.6. Jena, Germany: Max Planck Institute for Evolutionary Anthropology. 28 May 2022 को मूल से पुरालेखित. अभिगमन तिथि: 19 June 2022.
Hammarström, Harald; Forkel, Robert; Haspelmath, Martin; Bank, Sebastian, eds. (2022). "Castilic". Glottolog 4.6. Jena, Germany: Max Planck Institute for Evolutionary Anthropology. 28 May 2022 को मूल से पुरालेखित. अभिगमन तिथि: 19 June 2022.