The statesman's year-book : statistical and historical annual of the states of the world for the year 1969-1970
edited by S.H. Steinberg and John Paxton
MacMillan St Martin's Press, 1969
 Buku Referensi
The statesman's year-book : statistical and historical annual of the states of the world for the year 1953
MacMillan St Martin's Press, 1953
 Buku Referensi
Stavrianos, Leften Stavros
A global history : from prehistory to the present
Prentice-Hall, c1988
 Buku Teks SO
Bauer, Susan Wise
Sejarah dunia kuno: dari cerita-cerita tertua sampai jatuhnya Roma
Elex Media Komputindo, 2012
 Buku Teks
McNeill, William H.
A history of the human community : 1500 to the present; Volume II
Prentice-Hall, 1990
 Buku Teks SO