Habakkuk, H. J. (1962). American and British technology in the nineteenth century: The search for labour-saving inventions. [London]: Cambridge University Press.
Παραπομπή Chicago StyleHabakkuk, H. J. American and British Technology in the Nineteenth Century: The Search for Labour-saving Inventions. [London]: Cambridge University Press, 1962.
Παραπομπή MLAHabakkuk, H. J. American and British Technology in the Nineteenth Century: The Search for Labour-saving Inventions. [London]: Cambridge University Press, 1962.
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