Kidner, Richard
Blackstone, 1998
Buku Teks
Thomas, Meryl, author
Blackstone Press LTD, 2000
Buku Teks
Rose, F.D.
Blackstone Press, 1998
Buku Teks
edited by Malcolm D. Evans
Balckstone, 1991
Buku Referensi
edited by Malcolm D. Evans
Oxford University Press , 2011
Buku Teks