Παραπομπή APA

Friedman,Thomas L. (2000). World is flat: The globalized world in the twenty-first century. Penguin Books India.

Παραπομπή Chicago Style

Friedman,Thomas L. World Is Flat: The Globalized World in the Twenty-first Century. New Delhi: Penguin Books India, 2000.

Παραπομπή MLA

Friedman,Thomas L. World Is Flat: The Globalized World in the Twenty-first Century. Penguin Books India, 2000.