Gaya APA
FRIEDMAN, Thomas l.. (2005).
The World Is Flat .
England:
Clays Ltd.
Gaya Chicago
FRIEDMAN, Thomas l..
The World Is Flat.
England:
Clays Ltd,
2005.
Monograf.
Gaya MLA
FRIEDMAN, Thomas l..
The World Is Flat.
England:
Clays Ltd,
2005.
Monograf.
Gaya Turabian
FRIEDMAN, Thomas l..
The World Is Flat.
England:
Clays Ltd,
2005.
Monograf.