Tohutoro APA (7th ed.)
Mokyr, J. (1990). The lever of riches: Technological creativity and economic progress. Oxford University Press.
Tohutoru Kātū Chicago (17th ed.)
Mokyr, Joel. The Lever of Riches: Technological Creativity and Economic Progress. New York: Oxford University Press, 1990.
Tohutoro MLA (9th ed.)
Mokyr, Joel. The Lever of Riches: Technological Creativity and Economic Progress. Oxford University Press, 1990.
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