Dyfyniad APA

(1989). The swiss chemical industry. [ London ]: Swiss Society Of Chemical Industries.

Dyfyniad Arddull Chicago

The Swiss Chemical Industry. [ London ]: Swiss Society Of Chemical Industries, 1989.

Dyfyniad MLA

The Swiss Chemical Industry. [ London ]: Swiss Society Of Chemical Industries, 1989.

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