Παραπομπή APA

Headrick, D. R. (1981). The tools of empire: Technology and European imperialism in the nineteenth century. New York: Oxford University Press.

Παραπομπή Chicago Style

Headrick, Daniel R. The Tools of Empire: Technology and European Imperialism in the Nineteenth Century. New York: Oxford University Press, 1981.

Παραπομπή MLA

Headrick, Daniel R. The Tools of Empire: Technology and European Imperialism in the Nineteenth Century. New York: Oxford University Press, 1981.

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