Friedman, T. (2005). The world is flat: A brief history of the twenty-first century. Farrar, Straus and Giroux.
Chicagoスタイル(17版)引用形式Friedman, Thomas. The World Is Flat: A Brief History of the Twenty-first Century. New York: Farrar, Straus and Giroux, 2005.
MLA(9版)引用形式Friedman, Thomas. The World Is Flat: A Brief History of the Twenty-first Century. Farrar, Straus and Giroux, 2005.
警告: この引用は必ずしも正確ではありません.