APA ציטוט

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

Trích dẫn kiểu Chicago

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

ציטוט MLA

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