Gaya APA
Friedman, Thomas L., Mandelbaum, Michael. (2011).
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.
Gaya Chicago
Friedman, Thomas L., Mandelbaum, Michael.
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.
Text.
Gaya MLA
Friedman, Thomas L., Mandelbaum, Michael.
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.
Text.
Gaya Turabian
Friedman, Thomas L., Mandelbaum, Michael.
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.
Print.