Gaya APA
Patterson, Harry. (1976).
The Valhalla Exchange .
London:
Arrow Books.
Gaya Chicago
Patterson, Harry.
The Valhalla Exchange.
London:
Arrow Books,
1976.
Text.
Gaya MLA
Patterson, Harry.
The Valhalla Exchange.
London:
Arrow Books,
1976.
Text.
Gaya Turabian
Patterson, Harry.
The Valhalla Exchange.
London:
Arrow Books,
1976.
Print.