Gaya APA
Greenspan, Alan. (2007).
The Age Of Turbulence: Adventures In A New World .
London:
Penguin Group.
Gaya Chicago
Greenspan, Alan.
The Age Of Turbulence: Adventures In A New World.
London:
Penguin Group,
2007.
Buku.
Gaya MLA
Greenspan, Alan.
The Age Of Turbulence: Adventures In A New World.
London:
Penguin Group,
2007.
Buku.
Gaya Turabian
Greenspan, Alan.
The Age Of Turbulence: Adventures In A New World.
London:
Penguin Group,
2007.
Buku.