Brown, L. Neville (Lionel Neville)
Sweet and Maxwell, 1994
Buku Teks
Broberg, Morten P.
United Kingdom Oxford university Press, 2014
Buku Teks
Brinkhorst, L. J.
Kluwer Law & Taxation Publishers, 1969
Buku Teks
Nugent, Neill
Macmillan, 1994
Buku Teks
Burrows, F.
Clarendon Press , 1987
Buku Teks