Gaya APA
Krugman, Paul. (1995).
Development Geography, and Economic Theory .
United States:
.
Gaya Chicago
Krugman, Paul.
Development Geography, and Economic Theory.
United States:
,
1995.
Text.
Gaya MLA
Krugman, Paul.
Development Geography, and Economic Theory.
United States:
,
1995.
Text.
Gaya Turabian
Krugman, Paul.
Development Geography, and Economic Theory.
United States:
,
1995.
Print.