Dyfyniad APA
ebrary, Inc, & Nelson, R. R. (1993). National innovation systems: A comparative analysis. Oxford University Press.
Dyfyniad Arddull Chicago
ebrary, Inc, and Richard R. Nelson. National Innovation Systems: A Comparative Analysis. New York: Oxford University Press, 1993.
Dyfyniad MLA
ebrary, Inc, and Richard R. Nelson. National Innovation Systems: A Comparative Analysis. Oxford University Press, 1993.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.