1.
2.
3.
Ottawa : Direction de la recherche et des affaires internationales, Bureau des corporations, Consommation et corporations Canada, c1981.
French | N 713 TOR.T |
4.
5.
New York, New York : Copyright Society of the USA, 1972.
English | 14 US |
6.
7.
[Place of publication not identified] : [publisher not identified], 1990.
English | 10 GB |
8.
[Paris, France] : [UNESCO], 1927.
French | 6A OMPI |
9.
10.