Ogola, M. A. (1994). The river and the source. Focus Publishers.
Chicago-čujuhus (17. p.)Ogola, Margaret A. The River and the Source. Nairobi: Focus Publishers, 1994.
MLA-čujuhus (9. p.)Ogola, Margaret A. The River and the Source. Focus Publishers, 1994.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.