Gaya APA
Greenspan, Alan. (2008).
The Age of Turbulence: Adventures in a New World .
New York:
Penguin Books.
Gaya Chicago
Greenspan, Alan.
The Age of Turbulence: Adventures in a New World.
New York:
Penguin Books,
2008.
Buku.
Gaya MLA
Greenspan, Alan.
The Age of Turbulence: Adventures in a New World.
New York:
Penguin Books,
2008.
Buku.
Gaya Turabian
Greenspan, Alan.
The Age of Turbulence: Adventures in a New World.
New York:
Penguin Books,
2008.
Buku.