ebrary, Inc, Wessner, C. W., & Wolff, A. W. (2012). Rising to the challenge: U.S. innovation policy for global economy. National Academies Press.
Chicago Style (17th ed.) Zitazioaebrary, Inc, Charles W. Wessner, eta Alan Wm Wolff. Rising to the Challenge: U.S. Innovation Policy for Global Economy. Washington, D.C.: National Academies Press, 2012.
MLA (9th ed.) Zitazioaebrary, Inc, et al. Rising to the Challenge: U.S. Innovation Policy for Global Economy. National Academies Press, 2012.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.