American Bar Center, 1977
Buku Teks
Thompson, Mark P., author
Sweet & Maxwell, 1995
Buku Teks
Thompson, Mark P., author
Oxford University Press, 2001
Buku Teks
Bridge, Michael G.
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Buku Teks
Cornish, W.R. (William Rodolph), 1937-, author
Sweet and Maxwell, 2007
Buku Referensi