edited by John A. Davis and James K. Baker
American Society of African Culture, 1966
Buku Teks
Edie, Carlene J.
Wadsworth/Thomson Learning, 2003
Buku Teks
Monga, Celestin
Lynne Rienner, 1996
Buku Teks
University of California Press, 1966
Buku Teks
University of California Press, 1963
Buku Teks