Carter, C. F., & Williams, B. (1958). Investment in innovation. Oxford University Press.
Chicago Style aipamenaCarter, Charles Frederick, and Bruce Williams. Investment in Innovation. London: Oxford University Press, 1958.
MLA aipamenaCarter, Charles Frederick, and Bruce Williams. Investment in Innovation. Oxford University Press, 1958.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.