Headrick, D. (2009). Technology: A world history. Oxford University Press.
Cita Chicago (17th ed.)Headrick, Daniel. Technology: A World History. New York; Oxford: Oxford University Press, 2009.
Cita MLA (8th ed.)Headrick, Daniel. Technology: A World History. Oxford University Press, 2009.
Atenció: Aquestes cites poden no estar 100% correctes.