Falen. African Science. University of Wisconsin Press.
Chicago-čujuhus (17. p.)Falen. African Science. University of Wisconsin Press.
MLA-čujuhus (9. p.)Falen. African Science. University of Wisconsin Press.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.