Thorn, Eric A.
Understanding copyright: a practical guide / Eric A. Thorn
Jay Books , 1989
 Buku Teks
Schmitthoff, Clive M., author
The export trade : the law and practice of international trade / by Clive M. Schmitthoff
Stevens and Sons Limited, 1975
 Buku Teks
Schmitthoff, Clive M., author
Schmitthoff's export trade: the law and practice of international trade/ Clive M. Schmitthoff
Stevens & Sons, 1990
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Patent Law of The United Kingdom: Texts, Commentary and Notes on Practice
Sweet and Maxwell, 1975
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Lafrance, Mary, author
Global Issues in copyright law
West Group, 2009
 Buku Teks