Friedman, G. (2009). THE NEXT 100 YEARS: A FORECAST FOR THE 21ST CENTURY. Doubleday.
Tohutoru Kātū Chicago (17th ed.)Friedman, George. THE NEXT 100 YEARS: A FORECAST FOR THE 21ST CENTURY. New York: Doubleday, 2009.
Tohutoro MLA (9th ed.)Friedman, George. THE NEXT 100 YEARS: A FORECAST FOR THE 21ST CENTURY. Doubleday, 2009.
Kia tūpato: Kāore pea ēnei kupu hautoa i te ōrite pū 100%.