Tax and development : aid modalities for strengthening tax systems.
OECD, 2013
 Buku Teks
Modern origins: a North African perspective
edited by Jean-Jacques Hublin, Shannon P. McPherron
Springer Science, 2012
 eBooks
Patterns of African development : five comparisons
edited by Herbert J. Spiro
Prentice-Hall, 1967
 Buku Teks
Mazrui, Ali A.
A World federation of cultures : an African perspective / Ali A. Mazrui
The Free Press, 1976
 Buku Teks
Negara dan bangsa, jilid 2 : Afrika, Asia
Grolier International, 1990
 Buku Referensi