1.
[Eagan, MN] : Thomson/West, 2003-
Fourth edition. [2003 rev.].
English | K 110 TRA(4) |
2.
Geneva : World Intellectual Property Organization, 2005.
Tenth edition.
Danish | W J5 501(E/10) 2013 |
3.
Genva : World Intellectual Property Organization, 2005.
Ninth edition.
Danish | W J5 501(E/9) 2008 |
4.