APA استشهاد

Derry, T., & Williams, T. I. (1960). Short history of technology from the earliest time to A.D. 199. Clarendow.

استشهاد بنمط شيكاغو

Derry, T.K, و Trevor I. Williams. Short History of Technology from the Earliest Time to A.D. 199. Oxford: Clarendow, 1960.

MLA استشهاد

Derry, T.K, و Trevor I. Williams. Short History of Technology from the Earliest Time to A.D. 199. Clarendow, 1960.