APA aipamena

Barrell,Ray, & Pain,Nigel. (1999). Innovation,investment and diffusion of technology in Europe. Camebridge University Press.

Chicago Style aipamena

Barrell,Ray, and Pain,Nigel. Innovation,investment and Diffusion of Technology in Europe. New York: Camebridge University Press, 1999.

MLA aipamena

Barrell,Ray, and Pain,Nigel. Innovation,investment and Diffusion of Technology in Europe. Camebridge University Press, 1999.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.