Edited by Clark, J. D. (1967). Background to evolution in Africa. University of Chicago Press.
Chicago-čujuhus (17. p.)Edited by Clark, J. Desmond. Background to Evolution in Africa. Chicago: University of Chicago Press, 1967.
MLA-čujuhus (9. p.)Edited by Clark, J. Desmond. Background to Evolution in Africa. University of Chicago Press, 1967.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.