Dyfyniad APA

(1980). The concise guide to patents trademarks and copyrights editor: Solomon J. Schepps. Bell.

Dyfyniad Arddull Chicago

The Concise Guide to Patents Trademarks and Copyrights Editor: Solomon J. Schepps. Bell, 1980.

Dyfyniad MLA

The 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.