एपीए उद्धरण

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

शिकागो स्टाइल उद्धरण

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

एमएलए उद्धरण

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