Dyfyniad APA

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

Dyfyniad Arddull Chicago

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

Dyfyniad MLA

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

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.