Keylor, William R., 1944-
The twentieth-century world : an international history
Oxford University Press, 1996
 Buku Teks
Barraclough, Geoffrey, 1908-1984
An Introduction to contemporary history / Geoffrey Barraclough
Penguin Books, 1967
 Buku Teks
Grenville, J.A.S.
A history of the world : from the 20th to the 21st century
Routledge, 2005
 Buku Teks
Palmer, Alan
The penguin dictionary of twentieth-century history 1900-1982
Penguin Books , 1987
 Buku Referensi
Shuter, Paul
Skills in history. Bk. 3: The twentieth century / Paul Shuter, Terry Lewis
Heineman Educational , 1988
 Buku Teks