Headrick, D. R. (1981). The tools of empire: Technology and European imperialism in the nineteenth century. Oxford: Oxford University Press.
Stile di citazione ChicagoHeadrick, Daniel R. The Tools of Empire: Technology and European Imperialism in the Nineteenth Century. Oxford: Oxford University Press, 1981.
Citazione MLAHeadrick, Daniel R. The Tools of Empire: Technology and European Imperialism in the Nineteenth Century. Oxford: Oxford University Press, 1981.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.