Dyfyniad APA

(1982). A short history of twentieth-century technology c. 1900-c. 1950. Oxford: Clarendon Press.

Dyfyniad Arddull Chicago

A Short History of Twentieth-century Technology C. 1900-c. 1950. Oxford: Clarendon Press, 1982.

Dyfyniad MLA

A Short History of Twentieth-century Technology C. 1900-c. 1950. Oxford: Clarendon Press, 1982.

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