Habakkuk, H. J. (1967). American and British technology in the nineteenth century: The search for labour-saving inventions. Cambridge: University Press.
Trích dẫn kiểu ChicagoHabakkuk, H. J. American and British Technology in the Nineteenth Century: The Search for Labour-saving Inventions. Cambridge: University Press, 1967.
Deismireacht MLAHabakkuk, H. J. American and British Technology in the Nineteenth Century: The Search for Labour-saving Inventions. Cambridge: University Press, 1967.
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