Budiansky, Stephen
Battle of wits : the complete story of codebreaking in world war II
Simon & Schuster, 2000
Buku Teks
Young, Peter
World war II
Bison Books, 1985
Buku Referensi
The Almanac of world war II
edited by Brigadier Peter Young
Hamlyn, 1981
Buku Referensi
Post-Impressionism to world war II
edited by Debbie Lewer
Blackwell, 2005
Buku Teks
A concise history of world war II
Buku Teks