edited by Jean-Jacques Hublin, Shannon P. McPherron
Springer Science, 2012
eBooks
Mazrui, Ali A.
The Free Press, 1976
Buku Teks
Barger, V. (Vernon), 1938-, author
McGraw-Hill, 1973
Buku Teks
Barger, V. (Vernon), 1938-, author
McGraw-Hill, 1995
Buku Teks
Ejigu, Mersie
New York, N.Y. s.n. 1994,
Buku Teks