(1980). The concise guide to patents trademarks and copyrights editor: Solomon J. Schepps. Bell.
Dyfyniad Arddull ChicagoThe Concise Guide to Patents Trademarks and Copyrights Editor: Solomon J. Schepps. Bell, 1980.
Dyfyniad MLAThe Concise Guide to Patents Trademarks and Copyrights Editor: Solomon J. Schepps. Bell, 1980.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.