Martinus nNijhoff Publisher, 1982
Buku Teks
University of Souther California Press, 1980
Buku Teks
Andrew Ashworth, Alison Macdonald, Ben Emmerson
Sweet & Maxwell , 2012
Buku Teks
Ingram, Jefferson L., author
Pearson/Prentice Hall, 2005
Buku Teks
Carías, Allan-Randolph Brewer, author
Cambridge University Press, 2009
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