Mokyr, J. (1990). 25=Twenty five centuries of technological change: An historical survey. Harwood Academic Publishers.
Cita Chicago (17th ed.)Mokyr, Joel. 25=Twenty Five Centuries of Technological Change: An Historical Survey. Chur: Harwood Academic Publishers, 1990.
Cita MLA (9th ed.)Mokyr, Joel. 25=Twenty Five Centuries of Technological Change: An Historical Survey. Harwood Academic Publishers, 1990.
Atenció: Aquestes cites poden no estar 100% correctes.