Dyfyniad APA

Derry, T., & By Williams , T. I. (1960). A short history of technology from the: Earliest times to A.D. 1900. 0.U.P..

Dyfyniad Arddull Chicago

Derry, T.K, and Trevor I. By Williams. A Short History of Technology from the: Earliest Times to A.D. 1900. London: 0.U.P., 1960.

Dyfyniad MLA

Derry, T.K, and Trevor I. By Williams. A Short History of Technology from the: Earliest Times to A.D. 1900. 0.U.P., 1960.

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