Cita APA

Friedman, T. L. 1., & Friedman, T. L. 1. (2006). The world is flat: A brief history of the Twenty-first century (1. Updated and expanded edition.). New York: Farrar, Straus and Giroux.

Citación estilo Chicago

Friedman, Thomas L. 1953-, y Thomas L. 1953- Friedman. The World Is Flat: A Brief History of the Twenty-first Century. 1. Updated and expanded edition. New York: Farrar, Straus and Giroux, 2006.

Cita MLA

Friedman, Thomas L. 1953-, y Thomas L. 1953- Friedman. The World Is Flat: A Brief History of the Twenty-first Century. 1. Updated and expanded edition. New York: Farrar, Straus and Giroux, 2006.

Precaución: Estas citas no son 100% exactas.