ebrary, Inc, Wessner, C. W., & Wolff, A. W. (2012). Rising to the challenge: U.S. innovation policy for global economy. National Academies Press.
Chicago-viite (17. p.)ebrary, Inc, Charles W. Wessner, ja Alan Wm Wolff. Rising to the Challenge: U.S. Innovation Policy for Global Economy. Washington, D.C.: National Academies Press, 2012.
MLA-viite (9. p.)ebrary, Inc, et al. Rising to the Challenge: U.S. Innovation Policy for Global Economy. National Academies Press, 2012.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.