1.
New York, New York : International Trademark Association, 1970.
English | 64 US |
2.
[Geneva, Switzerland] : [The International Union for the Protection of New Varieties of Plants (UPOV)], 1983.
English | 1 UPOV |
3.
East Kilbride [Scotland] : Licensing Executives Society International, 1979.
Spanish | 48 US |