Kastan, David Scott, author
Routledge, 1999
Buku Teks
Doren, Mark van, author
Doubleday , 1955
Buku Teks
Cunningham, Valentine, author
Blackwell Publishers, 2002
Buku Teks
De Ville, Jacques, author
Birkbeck Law Press, 2017
Buku Teks
Kailash C.Baral, editor
Routledge, 2009
Buku Teks