edited by Malcolm D. Evans
Oxford University Press , 2011
Buku Teks
edited by Malcolm D. Evans
Balckstone, 1991
Buku Referensi
P. R. Gandhi, editor
Blackstone Press limited, 2000
Buku Teks
edited by P.R. Ghandhi.
Blackstone Press, 2000
Buku Referensi
Jan Klabbers.
Cambridge University Press, 2016
Buku Teks