Dyfyniad APA

Wilshire, B. (1982). Techology and economic trends in the steel industries. U.K: Pineridge press.

Dyfyniad Arddull Chicago

Wilshire, B. Techology and Economic Trends in the Steel Industries. U.K: Pineridge press, 1982.

Dyfyniad MLA

Wilshire, B. Techology and Economic Trends in the Steel Industries. U.K: Pineridge press, 1982.

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