Cambridge University Press, 2004
Buku Teks
edited by Brian Opeskin, Richard Perruchoud, Jillyanne Redpath-Cross
Cambridge University Press,, 2012
Buku Teks
Plender, Richard
Sijthoff, 1972
Buku Teks SO
Cooney, Sean
Australian Goverment Publishing Service, 1995
Buku Teks
Vincent Chetail, Celine Bauloz
Edward Elgar, 2015
Buku Teks