Gaya APA
Walther, Ted. (1997).
The world economy .
New York:
John Wiley & Sons.
Gaya Chicago
Walther, Ted.
The world economy.
New York:
John Wiley & Sons,
1997.
Text.
Gaya MLA
Walther, Ted.
The world economy.
New York:
John Wiley & Sons,
1997.
Text.
Gaya Turabian
Walther, Ted.
The world economy.
New York:
John Wiley & Sons,
1997.
Print.