APA Style
Krugman, Paul R., Petrolli, Alberto. ().
International economics: theory and policy .
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Chicago Style
Krugman, Paul R., Petrolli, Alberto.
International economics: theory and policy.
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,
.
.
MLA Style
Krugman, Paul R., Petrolli, Alberto.
International economics: theory and policy.
:
,
.
.
Turabian Style
Krugman, Paul R., Petrolli, Alberto.
International economics: theory and policy.
:
,
.
.