edited by Geoffrey Parker
Cambridge University Press, 1995
Buku Referensi
Preston, Richard Arthur, author
Praeger, 1962
Buku Teks
Black, Jeremy, author
Cambridge University Press, 1996
Buku Referensi
Schouwenaars, Clem
Manteau , 1990
Buku Teks
Strategicus
Faber and Faber Limited, 1944
Buku Klasik