Friedman, G. (2010). The next 100 years: A forecast for the 21st century. Anchor Books.
Chicago Style (17. basım) AtıfFriedman, George. The Next 100 Years: A Forecast for the 21st Century. New York: Anchor Books, 2010.
MLA (9th ed.) AtıfFriedman, George. The Next 100 Years: A Forecast for the 21st Century. Anchor Books, 2010.
Uyarı: Bu alıntı herzaman %100 doğru olmayabilir..