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