Mather, L. C. (Leonard Charles)
Waterlow & sons limited, 1972
Buku Teks
Midgley, Kenneth, author
Macmillan, 1974
Buku Teks
Steff M. Bartman, editor
Kluwer law, 2006
Buku Teks
Ferran, Eilis, author
United Kingdom Oxford University Press, 2014
Buku Teks
Davies, Paul L. , author
Sweet & Maxwell , 2012
Buku Teks