AJAYI, J. F. Ade; UNESCO, International Scientific Committee for the Drafting of a General History of Africa. Africa in the Nineteenth Century Until the 1880s Edition illustrated, reprint. [s.l.]: University of California Press, 1989. Dostupné online. ISBN0520039173. (anglicky)
DAVIDSON, Basil. Old Africa rediscovered. London: Gollancz, 1964. Dostupné online. S. 155. (anglicky)
LEVATHES, Louise. When China Ruled the Seas: The Treasure Fleet of the Dragon Throne, 1405–1433. 1. vyd. New York: Simon & Schuster, 1994. 252 s. Dostupné online. ISBN0671701584. S. 199. (anglicky)
bbc.co.uk
GRESTE, Peter. Could a rusty coin re-write Chinese-African history?. BBC News Africa [online]. 2010-10-18 [cit. 2011-8-6]. Dostupné online. (anglicky)
jstor.org
Review: Vinigi L. Grottanelli, «Pescatori dell’Oceano indiano: saggio etnologico preliminare sui Bagiuni, Bantu costieri dell’Oltregiuba». Africa: Journal of the International African Institute. 1956, roč. 26, čís. 3, s. 309–312. Dostupné online.