↑Hammarström, Harald; Forkel, Robert; Haspelmath, Martin, ed. (2023). "Mangole". Glottolog 4.8. Jena, Jerman: Max Planck Institute for the Science of Human History. ; ;
↑"Bahasa Mangole". www.ethnologue.com (dalam bahasa Inggris). SIL Ethnologue.
↑Bloyd, Tobias (2020). Sula: Its Language, Land, and People (PhD thesis). University of Hawai'i at Manoa. hdl:10125/69017
