Lua APA (7ú heag.)

Headrick, D. (2009). Technology: A world history. Oxford University Press.

Lua i Stíl Chicago (17ú heag.)

Headrick, Daniel. Technology: A World History. New York; Oxford: Oxford University Press, 2009.

Lua MLA (8ú heag.)

Headrick, Daniel. Technology: A World History. Oxford University Press, 2009.

Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.