edited by. Nigel G. Foster
Nigel G.Foster, 1998,
Buku Referensi
Lang, Michael
Kluwer Law International, 2007
Buku Teks
Fine, Frank L
Sweet & Maxwell, 2006
Buku Teks
McAllister, Richard
Routledge, 1997
Buku Teks
Bishop, Simon
Sweet & Maxwell, 2010
Buku Teks