Gaya APA
Krugman, Paul R., Obstfeld, Maurice. (2012).
International economics: theory and policy (ed.9).
England:
Pearson.
Gaya Chicago
Krugman, Paul R., Obstfeld, Maurice.
International economics: theory and policy.
ed.9
England:
Pearson,
2012.
Text.
Gaya MLA
Krugman, Paul R., Obstfeld, Maurice.
International economics: theory and policy.
ed.9
England:
Pearson,
2012.
Text.
Gaya Turabian
Krugman, Paul R., Obstfeld, Maurice.
International economics: theory and policy.
ed.9
England:
Pearson,
2012.
Print.