Sterling, T. (1963). Exploration of Africa (First edition.). American Heritage Publishing Company.
Chicago-čujuhus (17. p.)Sterling, Thomas. Exploration of Africa. First edition. New York: American Heritage Publishing Company, 1963.
MLA-čujuhus (9. p.)Sterling, Thomas. Exploration of Africa. First edition. American Heritage Publishing Company, 1963.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.