APA Style
Krugman, Paul R., Obstfeld, Maurice. (2009).
International Economics : Theory and Policy (8th).
Boston:
The Addison-Wesley.
Chicago Style
Krugman, Paul R., Obstfeld, Maurice.
International Economics : Theory and Policy.
8th
Boston:
The Addison-Wesley,
2009.
Text.
MLA Style
Krugman, Paul R., Obstfeld, Maurice.
International Economics : Theory and Policy.
8th
Boston:
The Addison-Wesley,
2009.
Text.
Turabian Style
Krugman, Paul R., Obstfeld, Maurice.
International Economics : Theory and Policy.
8th
Boston:
The Addison-Wesley,
2009.
Print.