Cita APA

Friedman, T. L. (2006). The world is flat: : a brief history of the twenty-first century (First updated and expanded edition, 2006.). New York: Farrar, Straus and Giroux.

Citación estilo Chicago

Friedman, Thomas L. The World Is Flat: : A Brief History of the Twenty-first Century. First updated and expanded edition, 2006. New York: Farrar, Straus and Giroux, 2006.

Cita MLA

Friedman, Thomas L. The World Is Flat: : A Brief History of the Twenty-first Century. First updated and expanded edition, 2006. New York: Farrar, Straus and Giroux, 2006.