APA aipamena

Ray, G. F. (1979). The Innovation Process in the Energy Industries. Oxford: Cambridge University Press.

Chicago Style aipamena

Ray, G. F. The Innovation Process in the Energy Industries. Oxford: Cambridge University Press, 1979.

MLA aipamena

Ray, G. F. The Innovation Process in the Energy Industries. Oxford: Cambridge University Press, 1979.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.