Seligman, C. (1966). Races of Africa (4th ed.). O.U.Pr..
Chicago-čujuhus (17. p.)Seligman, C.G. Races of Africa. 4th ed. London: O.U.Pr., 1966.
MLA-čujuhus (9. p.)Seligman, C.G. Races of Africa. 4th ed. O.U.Pr., 1966.
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