1.
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Oxford : Esc, 1983.
English | N 331 DAV.C |
|
2.
|
New York, New York : International Trademark Association, 1992.
English | K 941 US 64 |
|
3.
|
London : National Consumer Council, 1991.
English | T 23 INT |
|
4.
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New York, New York : The Copyright Society of the USA, 1991.
English | 14 US |
|