IMutumba yisifunda esingaphansi kwesifundazwe se Karuzi, eBhurundi. United States. Foreign Broadcast Information Service (1982). "Sub-Saharan Africa report"[dead link]. Foreign Broadcast Information Service. Kulandwe ngo-Lwezi 11, 2020. Le-athikhili iyisigcino (isiNgisi: "a stub"). Ungakwazi ukusiza uWikipedia: ngokuyikhulisa.