Friedman, T. L. (2006). The world is flat: A brief history of the twenty-first century (Updated and expanded.). Farrar, Strauss and Giroux.
Citação norma ChicagoFriedman, Thomas L. The World Is Flat: A Brief History of the Twenty-first Century. Updated and expanded. New York: Farrar, Strauss and Giroux, 2006.
Citação norma MLAFriedman, Thomas L. The World Is Flat: A Brief History of the Twenty-first Century. Updated and expanded. Farrar, Strauss and Giroux, 2006.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.