Dyfyniad APA

(1970). Technological change: The United States and Britain in the nineteenth century. London: Methuen.

Dyfyniad Arddull Chicago

Technological Change: The United States and Britain in the Nineteenth Century. London: Methuen, 1970.

Dyfyniad MLA

Technological Change: The United States and Britain in the Nineteenth Century. London: Methuen, 1970.

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