APA Style
Krugman, Paul R., Obstfeld, Maurice. (2009).
International Economics: Theory & Policy, 8th Edition (8th).
Boston:
Pearson Education, Inc.
Chicago Style
Krugman, Paul R., Obstfeld, Maurice.
International Economics: Theory & Policy, 8th Edition.
8th
Boston:
Pearson Education, Inc,
2009.
Text.
MLA Style
Krugman, Paul R., Obstfeld, Maurice.
International Economics: Theory & Policy, 8th Edition.
8th
Boston:
Pearson Education, Inc,
2009.
Text.
Turabian Style
Krugman, Paul R., Obstfeld, Maurice.
International Economics: Theory & Policy, 8th Edition.
8th
Boston:
Pearson Education, Inc,
2009.
Print.