APA Style
Krugman, Paul R., Obstfeld, Maurice. (2003).
International economics : theory and policy (6th ed.).
Boston:
Addison-Wesley.
Chicago Style
Krugman, Paul R., Obstfeld, Maurice.
International economics : theory and policy.
6th ed.
Boston:
Addison-Wesley,
2003.
Text.
MLA Style
Krugman, Paul R., Obstfeld, Maurice.
International economics : theory and policy.
6th ed.
Boston:
Addison-Wesley,
2003.
Text.
Turabian Style
Krugman, Paul R., Obstfeld, Maurice.
International economics : theory and policy.
6th ed.
Boston:
Addison-Wesley,
2003.
Print.