SINGER, C. (1954). A history of technology. U.U.P.
Cita Chicago (17th ed.)SINGER, Charles. A History of Technology. Oxford: U.U.P, 1954.
Cita MLA (9th ed.)SINGER, Charles. A History of Technology. U.U.P, 1954.
Atenció: Aquestes cites poden no estar 100% correctes.