APA-čujuhus (7. p.)
Headrick, D. R. (1988). The tentacles of progress: Technology transfer in the age of imperialism, 1850-1940. Oxford University Press.
Chicago-čujuhus (17. p.)
Headrick, Daniel R. The Tentacles of Progress: Technology Transfer in the Age of Imperialism, 1850-1940. New York: Oxford University Press, 1988.
MLA-čujuhus (9. p.)
Headrick, Daniel R. The Tentacles of Progress: Technology Transfer in the Age of Imperialism, 1850-1940. Oxford University Press, 1988.
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