Selon les sources et le contexte, on observe différentes formes : Amampa, Bullom (Southern), Kafu, Mampa, Mampua, Mampwa, Sherbro, Shiba, Southern Bullom[1].
(en) Henry Usher Hall, The Sherbro of Sierra Leone : a preliminary report on the work of the University museum's Expedition to West Africa, The University Press, University of Pennsylvania, 1938, 51 p.
(en) Daniel Flickinger Wilberforce, Sherbro and the Sherbros: or, A native African's account of his country and people, Foreign and Commonwealth Office Collection, 1886 (réimprimé par BiblioBazaar, 2010, 50 p. (ISBN9781175348333)