Gaya APA
Krugman, Paul R., Obstfeld, Maurice. (2006).
International economics : theory and policy 7th ed (7th ed).
Boston:
Addison-Wesley.
Gaya Chicago
Krugman, Paul R., Obstfeld, Maurice.
International economics : theory and policy 7th ed.
7th ed
Boston:
Addison-Wesley,
2006.
Text.
Gaya MLA
Krugman, Paul R., Obstfeld, Maurice.
International economics : theory and policy 7th ed.
7th ed
Boston:
Addison-Wesley,
2006.
Text.
Gaya Turabian
Krugman, Paul R., Obstfeld, Maurice.
International economics : theory and policy 7th ed.
7th ed
Boston:
Addison-Wesley,
2006.
Print.