Gaya APA
Krugman, Paul R.. (2000).
International economics theory and policy 5th ed (5).
Reading:
Addison-Wesley.
Gaya Chicago
Krugman, Paul R..
International economics theory and policy 5th ed.
5
Reading:
Addison-Wesley,
2000.
Text.
Gaya MLA
Krugman, Paul R..
International economics theory and policy 5th ed.
5
Reading:
Addison-Wesley,
2000.
Text.
Gaya Turabian
Krugman, Paul R..
International economics theory and policy 5th ed.
5
Reading:
Addison-Wesley,
2000.
Print.