Ravenhill, J. (1986). Africa in economic crisis. Columbia University Press.
Chicago-čujuhus (17. p.)Ravenhill, John. Africa in Economic Crisis. New York: Columbia University Press, 1986.
MLA-čujuhus (9. p.)Ravenhill, John. Africa in Economic Crisis. Columbia University Press, 1986.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.