Budiansky, Stephen
Battle of wits : the complete story of codebreaking in world war II / Stephen Budiansky
Simon & Schuster, 2000
Buku Teks
The Almanac of world war II
edited by Brigadier Peter Young
Hamlyn, 1981
Buku Referensi
Young, Peter
World war II
Bison Books, 1985
Buku Referensi
Gilbert, Martin
The Routledge atlas of the first world war
Routledge, 1994
Buku Teks
Roy, Kaushik
India and world war II: war, armed forces and society, 1939-45
Oxford University Press, 2016
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