Overy, Richard, author
Andre Deutsch, 2014
Buku Teks
Porter, Philip, author
Haynes, 1995
Buku Referensi
edited by Francis Robinson
Cambridge University Press, 1996
Buku Teks
edited by Francis Robinson
Cambridge University Press, 1996
Buku Referensi
Cambridge University Press, 2015
Buku Teks