APA استشهاد

Friedman, T. L. (2005). THE WORLD IS FLAT: A BRIEF HISTORY OF THE GLOBALIZED WORLD IN THE TWENTY-FIRST CENTURY.

استشهاد بنمط شيكاغو

Friedman, Thomas L. THE WORLD IS FLAT: A BRIEF HISTORY OF THE GLOBALIZED WORLD IN THE TWENTY-FIRST CENTURY. London, Allen lane, 2005.

MLA استشهاد

Friedman, Thomas L. THE WORLD IS FLAT: A BRIEF HISTORY OF THE GLOBALIZED WORLD IN THE TWENTY-FIRST CENTURY. 2005.