APA (7e ed.) Bronvermelding

Friedman, T. L. (2005). The world is flat: A brief history of the twenty-first century. Farrar, Straus and Giroux.

Chicago (17e ed.) Bronvermelding

Friedman, Thomas L. The World Is Flat: A Brief History of the Twenty-first Century. New York: Farrar, Straus and Giroux, 2005.

MLA (9e ed.) Bronvermelding

Friedman, Thomas L. The World Is Flat: A Brief History of the Twenty-first Century. Farrar, Straus and Giroux, 2005.