APA-ийн эшлэл(7 дахь хэвлэлт)

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

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

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

MLA -ийн эшлэл (9 дэх хэвлэлт)

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