Gaya APA
Heertje, Arnold. (1984).
THE U.S.A. IN THE WORLD ECONOMY .
San Francisco:
Freeman, Cooper & Company.
Gaya Chicago
Heertje, Arnold.
THE U.S.A. IN THE WORLD ECONOMY.
San Francisco:
Freeman, Cooper & Company,
1984.
Text.
Gaya MLA
Heertje, Arnold.
THE U.S.A. IN THE WORLD ECONOMY.
San Francisco:
Freeman, Cooper & Company,
1984.
Text.
Gaya Turabian
Heertje, Arnold.
THE U.S.A. IN THE WORLD ECONOMY.
San Francisco:
Freeman, Cooper & Company,
1984.
Print.