Dyfyniad APA

India. Patent Office. (1974). Patents and designs. Controller of Publications.

Dyfyniad Arddull Chicago

India. Patent Office. Patents and Designs. [Delhi: Controller of Publications, 1974.

Dyfyniad MLA

India. Patent Office. Patents and Designs. Controller of Publications, 1974.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.