Oliver, R. (1981). Africa since 1800 (3rd ed.). Cambridge.
Chicago-čujuhus (17. p.)Oliver, Roland. Africa Since 1800. 3rd ed. New York: Cambridge, 1981.
MLA-čujuhus (9. p.)Oliver, Roland. Africa Since 1800. 3rd ed. Cambridge, 1981.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.