APA-čujuhus (7. p.)
Tippett, A. R. (1970). People of southern Ethiopia. William Carey Library.
Chicago-čujuhus (17. p.)
Tippett, Alan R. People of Southern Ethiopia. South pasadena, Calif.: William Carey Library, 1970.
MLA-čujuhus (9. p.)
Tippett, Alan R. People of Southern Ethiopia. William Carey Library, 1970.
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