Dyfyniad APA

Sharp, D. H. (1982). The chemical industry. London: Society Of Chemical Industry.

Dyfyniad Arddull Chicago

Sharp, D. H. The Chemical Industry. London: Society Of Chemical Industry, 1982.

Dyfyniad MLA

Sharp, D. H. The Chemical Industry. London: Society Of Chemical Industry, 1982.

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