Dyfyniad APA

Organisation for Economic Co-operation and Development. (1974). The chemical industry. Paris: Organisation for Economic Co-operation and Development.

Dyfyniad Arddull Chicago

Organisation for Economic Co-operation and Development. The Chemical Industry. Paris: Organisation for Economic Co-operation and Development, 1974.

Dyfyniad MLA

Organisation for Economic Co-operation and Development. The Chemical Industry. Paris: Organisation for Economic Co-operation and Development, 1974.

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