
Friedman, T. L., & Mandelbaum, M. (2011). That used to be us: How America fell behind in the world it invented and how we can come back. Farrar, Straus and Giroux.
Chicago ZitierstilFriedman, Thomas L., und Michael Mandelbaum. That Used to Be Us: How America Fell Behind in the World It Invented and How We Can Come Back. New York: Farrar, Straus and Giroux, 2011.
MLA ZitierstilFriedman, Thomas L., und Michael Mandelbaum. That Used to Be Us: How America Fell Behind in the World It Invented and How We Can Come Back. Farrar, Straus and Giroux, 2011.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.