Gaya APA
Friedman, Thomas L.. (2007).
The world is flat : a brief history of the twenty-first century .
New York:
Picador/Farrar, Straus and Giroux.
Gaya Chicago
Friedman, Thomas L..
The world is flat : a brief history of the twenty-first century.
New York:
Picador/Farrar, Straus and Giroux,
2007.
Text.
Gaya MLA
Friedman, Thomas L..
The world is flat : a brief history of the twenty-first century.
New York:
Picador/Farrar, Straus and Giroux,
2007.
Text.
Gaya Turabian
Friedman, Thomas L..
The world is flat : a brief history of the twenty-first century.
New York:
Picador/Farrar, Straus and Giroux,
2007.
Print.