edited by Brigadier Peter Young
Hamlyn, 1981
Buku Referensi
Cambridge University Press, 2015
Buku Teks
Roy, Kaushik
Oxford University Press, 2016
eBooks
Overy, Richard
Andre Deutsch, 2014
Buku Teks
Fox, Annette Baker, 1912-
The University of Chicago Press, 1959
Buku Teks