Mokyr, J. (1990). The lever of riches: Technological creativity and economic progress. Oxford University Press.
Citazione stile Chigago Style (17a edizione)Mokyr, Joel. The Lever of Riches: Technological Creativity and Economic Progress. New York: Oxford University Press, 1990.
Citatione MLA (9a ed.)Mokyr, Joel. The Lever of Riches: Technological Creativity and Economic Progress. Oxford University Press, 1990.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.