Dyfyniad APA

Derry, T. (1993). A Short History of Technology: From the Earliest Times to A.D. 1900. New York: Dover Publications, Inc.

Dyfyniad Arddull Chicago

Derry, T.K. A Short History of Technology: From the Earliest Times to A.D. 1900. New York: Dover Publications, Inc, 1993.

Dyfyniad MLA

Derry, T.K. A Short History of Technology: From the Earliest Times to A.D. 1900. New York: Dover Publications, Inc, 1993.

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